diff --git a/.settings.xml b/.settings.xml
index 1261ef8f76..273b18f8ef 100644
--- a/.settings.xml
+++ b/.settings.xml
@@ -23,7 +23,7 @@
 				<repository>
 					<id>spring-snapshots</id>
 					<name>Spring Snapshots</name>
-					<url>http://repo.spring.io/libs-snapshot-local</url>
+					<url>https://repo.spring.io/libs-snapshot-local</url>
 					<snapshots>
 						<enabled>true</enabled>
 					</snapshots>
@@ -31,7 +31,7 @@
 				<repository>
 					<id>spring-milestones</id>
 					<name>Spring Milestones</name>
-					<url>http://repo.spring.io/libs-milestone-local</url>
+					<url>https://repo.spring.io/libs-milestone-local</url>
 					<snapshots>
 						<enabled>false</enabled>
 					</snapshots>
@@ -39,7 +39,7 @@
 				<repository>
 					<id>spring-releases</id>
 					<name>Spring Releases</name>
-					<url>http://repo.spring.io/release</url>
+					<url>https://repo.spring.io/release</url>
 					<snapshots>
 						<enabled>false</enabled>
 					</snapshots>
@@ -49,7 +49,7 @@
 				<pluginRepository>
 					<id>spring-snapshots</id>
 					<name>Spring Snapshots</name>
-					<url>http://repo.spring.io/libs-snapshot-local</url>
+					<url>https://repo.spring.io/libs-snapshot-local</url>
 					<snapshots>
 						<enabled>true</enabled>
 					</snapshots>
@@ -57,7 +57,7 @@
 				<pluginRepository>
 					<id>spring-milestones</id>
 					<name>Spring Milestones</name>
-					<url>http://repo.spring.io/libs-milestone-local</url>
+					<url>https://repo.spring.io/libs-milestone-local</url>
 					<snapshots>
 						<enabled>false</enabled>
 					</snapshots>
diff --git a/README.adoc b/README.adoc
index 9d752796fd..8712dd235d 100644
--- a/README.adoc
+++ b/README.adoc
@@ -231,7 +231,7 @@ Stub Runner` properties, as shown in the following example:
 ----
 stubrunner:
   ids: 'com.example:http-server-dsl:+:stubs:8080'
-  repositoryRoot: http://repo.spring.io/libs-snapshot
+  repositoryRoot: https://repo.spring.io/libs-snapshot
 ----
 
 Now you can annotate your test class with `@AutoConfigureStubRunner`. In the annotation,
@@ -562,7 +562,7 @@ Runner` properties, as shown in the following example:
 ----
 stubrunner:
   ids: 'com.example:http-server-dsl:+:stubs:8080'
-  repositoryRoot: http://repo.spring.io/libs-snapshot
+  repositoryRoot: https://repo.spring.io/libs-snapshot
 ----
 
 Now you can annotate your test class with `@AutoConfigureStubRunner`. In the annotation,
@@ -896,9 +896,9 @@ following section to your build:
 repositories {
 	mavenCentral()
 	mavenLocal()
-	maven { url "http://repo.spring.io/snapshot" }
-	maven { url "http://repo.spring.io/milestone" }
-	maven { url "http://repo.spring.io/release" }
+	maven { url "https://repo.spring.io/snapshot" }
+	maven { url "https://repo.spring.io/milestone" }
+	maven { url "https://repo.spring.io/release" }
 }
 ----
 
@@ -1512,7 +1512,7 @@ achieving the same thing by changing the properties.
 ----
 stubrunner:
   ids: 'com.example:http-server-dsl:+:stubs:8080'
-  repositoryRoot: http://repo.spring.io/libs-snapshot
+  repositoryRoot: https://repo.spring.io/libs-snapshot
 ----
 
 That's it!
diff --git a/docker/spring-cloud-contract-docker/project/build.gradle b/docker/spring-cloud-contract-docker/project/build.gradle
index b881859a7c..fe03f9dd31 100644
--- a/docker/spring-cloud-contract-docker/project/build.gradle
+++ b/docker/spring-cloud-contract-docker/project/build.gradle
@@ -3,9 +3,9 @@ buildscript {
 		mavenLocal()
 		mavenCentral()
 		if (!"${verifierVersion}".contains("RELEASE")) {
-			maven { url "http://repo.spring.io/snapshot" }
-			maven { url "http://repo.spring.io/milestone" }
-			maven { url "http://repo.spring.io/release" }
+			maven { url "https://repo.spring.io/snapshot" }
+			maven { url "https://repo.spring.io/milestone" }
+			maven { url "https://repo.spring.io/release" }
 		}
 	}
 
@@ -22,9 +22,9 @@ repositories {
 	mavenLocal()
 	mavenCentral()
 	if (!"${verifierVersion}".contains("RELEASE")) {
-		maven { url "http://repo.spring.io/snapshot" }
-		maven { url "http://repo.spring.io/milestone" }
-		maven { url "http://repo.spring.io/release" }
+		maven { url "https://repo.spring.io/snapshot" }
+		maven { url "https://repo.spring.io/milestone" }
+		maven { url "https://repo.spring.io/release" }
 	}
 }
 
diff --git a/samples/standalone/dsl/http-client/build.gradle b/samples/standalone/dsl/http-client/build.gradle
index 8e6a09eb36..61d0f8d423 100644
--- a/samples/standalone/dsl/http-client/build.gradle
+++ b/samples/standalone/dsl/http-client/build.gradle
@@ -2,9 +2,9 @@ buildscript {
 	repositories {
 		mavenCentral()
 		mavenLocal()
-		maven { url "http://repo.spring.io/snapshot" }
-		maven { url "http://repo.spring.io/milestone" }
-		maven { url "http://repo.spring.io/release" }
+		maven { url "https://repo.spring.io/snapshot" }
+		maven { url "https://repo.spring.io/milestone" }
+		maven { url "https://repo.spring.io/release" }
 	}
 	dependencies {
 		classpath "org.springframework.boot:spring-boot-gradle-plugin:2.1.2.RELEASE"
@@ -17,9 +17,9 @@ version = '0.0.1-SNAPSHOT'
 repositories {
 	mavenCentral()
 	mavenLocal()
-	maven { url "http://repo.spring.io/snapshot" }
-	maven { url "http://repo.spring.io/milestone" }
-	maven { url "http://repo.spring.io/release" }
+	maven { url "https://repo.spring.io/snapshot" }
+	maven { url "https://repo.spring.io/milestone" }
+	maven { url "https://repo.spring.io/release" }
 }
 
 apply plugin: 'groovy'
diff --git a/samples/standalone/dsl/http-client/src/test/resources/application-test-repo.yaml b/samples/standalone/dsl/http-client/src/test/resources/application-test-repo.yaml
index 0fe0e54c25..512cbc68e7 100644
--- a/samples/standalone/dsl/http-client/src/test/resources/application-test-repo.yaml
+++ b/samples/standalone/dsl/http-client/src/test/resources/application-test-repo.yaml
@@ -1,3 +1,3 @@
 stubrunner:
   ids: 'com.example:http-server-dsl:+:stubs:8080'
-  repositoryRoot: http://repo.spring.io/libs-snapshot
+  repositoryRoot: https://repo.spring.io/libs-snapshot
diff --git a/samples/standalone/dsl/http-server/build.gradle b/samples/standalone/dsl/http-server/build.gradle
index 67476c7158..32364c36de 100644
--- a/samples/standalone/dsl/http-server/build.gradle
+++ b/samples/standalone/dsl/http-server/build.gradle
@@ -3,9 +3,9 @@ buildscript {
 	repositories {
 		mavenCentral()
 		mavenLocal()
-		maven { url "http://repo.spring.io/snapshot" }
-		maven { url "http://repo.spring.io/milestone" }
-		maven { url "http://repo.spring.io/release" }
+		maven { url "https://repo.spring.io/snapshot" }
+		maven { url "https://repo.spring.io/milestone" }
+		maven { url "https://repo.spring.io/release" }
 	}
 // end::repos[]
 	dependencies {
@@ -21,9 +21,9 @@ version = '0.0.1-SNAPSHOT'
 repositories {
 	mavenCentral()
 	mavenLocal()
-	maven { url "http://repo.spring.io/snapshot" }
-	maven { url "http://repo.spring.io/milestone" }
-	maven { url "http://repo.spring.io/release" }
+	maven { url "https://repo.spring.io/snapshot" }
+	maven { url "https://repo.spring.io/milestone" }
+	maven { url "https://repo.spring.io/release" }
 }
 // end::deps_repos[]
 
diff --git a/samples/standalone/messaging/stream-sink/build.gradle b/samples/standalone/messaging/stream-sink/build.gradle
index b9aa8653d7..265ba893c7 100644
--- a/samples/standalone/messaging/stream-sink/build.gradle
+++ b/samples/standalone/messaging/stream-sink/build.gradle
@@ -2,9 +2,9 @@ buildscript {
 	repositories {
 		mavenCentral()
 		mavenLocal()
-		maven { url "http://repo.spring.io/snapshot" }
-		maven { url "http://repo.spring.io/milestone" }
-		maven { url "http://repo.spring.io/release" }
+		maven { url "https://repo.spring.io/snapshot" }
+		maven { url "https://repo.spring.io/milestone" }
+		maven { url "https://repo.spring.io/release" }
 	}
 	dependencies {
 		classpath "org.springframework.boot:spring-boot-gradle-plugin:2.1.2.RELEASE"
@@ -17,9 +17,9 @@ version = '0.0.1-SNAPSHOT'
 repositories {
 	mavenCentral()
 	mavenLocal()
-	maven { url "http://repo.spring.io/snapshot" }
-	maven { url "http://repo.spring.io/milestone" }
-	maven { url "http://repo.spring.io/release" }
+	maven { url "https://repo.spring.io/snapshot" }
+	maven { url "https://repo.spring.io/milestone" }
+	maven { url "https://repo.spring.io/release" }
 }
 
 apply plugin: 'groovy'
diff --git a/samples/standalone/messaging/stream-source/build.gradle b/samples/standalone/messaging/stream-source/build.gradle
index d046fd3732..8a8172ac32 100644
--- a/samples/standalone/messaging/stream-source/build.gradle
+++ b/samples/standalone/messaging/stream-source/build.gradle
@@ -2,9 +2,9 @@ buildscript {
 	repositories {
 		mavenCentral()
 		mavenLocal()
-		maven { url "http://repo.spring.io/snapshot" }
-		maven { url "http://repo.spring.io/milestone" }
-		maven { url "http://repo.spring.io/release" }
+		maven { url "https://repo.spring.io/snapshot" }
+		maven { url "https://repo.spring.io/milestone" }
+		maven { url "https://repo.spring.io/release" }
 	}
 	dependencies {
 		classpath "org.springframework.boot:spring-boot-gradle-plugin:2.1.2.RELEASE"
@@ -21,9 +21,9 @@ version = '0.0.1-SNAPSHOT'
 repositories {
 	mavenCentral()
 	mavenLocal()
-	maven { url "http://repo.spring.io/snapshot" }
-	maven { url "http://repo.spring.io/milestone" }
-	maven { url "http://repo.spring.io/release" }
+	maven { url "https://repo.spring.io/snapshot" }
+	maven { url "https://repo.spring.io/milestone" }
+	maven { url "https://repo.spring.io/release" }
 }
 
 apply plugin: 'groovy'
diff --git a/samples/standalone/pact/pact-http-client/build.gradle b/samples/standalone/pact/pact-http-client/build.gradle
index 7ba19af4d7..80768e9549 100644
--- a/samples/standalone/pact/pact-http-client/build.gradle
+++ b/samples/standalone/pact/pact-http-client/build.gradle
@@ -2,9 +2,9 @@ buildscript {
 	repositories {
 		mavenCentral()
 		mavenLocal()
-		maven { url "http://repo.spring.io/snapshot" }
-		maven { url "http://repo.spring.io/milestone" }
-		maven { url "http://repo.spring.io/release" }
+		maven { url "https://repo.spring.io/snapshot" }
+		maven { url "https://repo.spring.io/milestone" }
+		maven { url "https://repo.spring.io/release" }
 	}
 	dependencies {
 		classpath "org.springframework.boot:spring-boot-gradle-plugin:2.1.2.RELEASE"
@@ -17,9 +17,9 @@ version = '0.0.1-SNAPSHOT'
 repositories {
 	mavenCentral()
 	mavenLocal()
-	maven { url "http://repo.spring.io/snapshot" }
-	maven { url "http://repo.spring.io/milestone" }
-	maven { url "http://repo.spring.io/release" }
+	maven { url "https://repo.spring.io/snapshot" }
+	maven { url "https://repo.spring.io/milestone" }
+	maven { url "https://repo.spring.io/release" }
 }
 
 apply plugin: 'groovy'
diff --git a/samples/standalone/pact/pact-http-server/build.gradle b/samples/standalone/pact/pact-http-server/build.gradle
index 997bbe9d89..17719d3b6b 100644
--- a/samples/standalone/pact/pact-http-server/build.gradle
+++ b/samples/standalone/pact/pact-http-server/build.gradle
@@ -2,9 +2,9 @@ buildscript {
 	repositories {
 		mavenCentral()
 		mavenLocal()
-		maven { url "http://repo.spring.io/snapshot" }
-		maven { url "http://repo.spring.io/milestone" }
-		maven { url "http://repo.spring.io/release" }
+		maven { url "https://repo.spring.io/snapshot" }
+		maven { url "https://repo.spring.io/milestone" }
+		maven { url "https://repo.spring.io/release" }
 	}
 	dependencies {
 		classpath "org.springframework.boot:spring-boot-gradle-plugin:2.1.2.RELEASE"
@@ -21,9 +21,9 @@ version = '0.0.1-SNAPSHOT'
 repositories {
 	mavenCentral()
 	mavenLocal()
-	maven { url "http://repo.spring.io/snapshot" }
-	maven { url "http://repo.spring.io/milestone" }
-	maven { url "http://repo.spring.io/release" }
+	maven { url "https://repo.spring.io/snapshot" }
+	maven { url "https://repo.spring.io/milestone" }
+	maven { url "https://repo.spring.io/release" }
 }
 
 apply plugin: 'groovy'
diff --git a/samples/standalone/restdocs/http-client/build.gradle b/samples/standalone/restdocs/http-client/build.gradle
index c5a98ae511..3c55f36367 100644
--- a/samples/standalone/restdocs/http-client/build.gradle
+++ b/samples/standalone/restdocs/http-client/build.gradle
@@ -2,9 +2,9 @@ buildscript {
 	repositories {
 		mavenCentral()
 		mavenLocal()
-		maven { url "http://repo.spring.io/snapshot" }
-		maven { url "http://repo.spring.io/milestone" }
-		maven { url "http://repo.spring.io/release" }
+		maven { url "https://repo.spring.io/snapshot" }
+		maven { url "https://repo.spring.io/milestone" }
+		maven { url "https://repo.spring.io/release" }
 	}
 	dependencies {
 		classpath "org.springframework.boot:spring-boot-gradle-plugin:2.1.2.RELEASE"
@@ -17,9 +17,9 @@ version = '0.0.1-SNAPSHOT'
 repositories {
 	mavenCentral()
 	mavenLocal()
-	maven { url "http://repo.spring.io/snapshot" }
-	maven { url "http://repo.spring.io/milestone" }
-	maven { url "http://repo.spring.io/release" }
+	maven { url "https://repo.spring.io/snapshot" }
+	maven { url "https://repo.spring.io/milestone" }
+	maven { url "https://repo.spring.io/release" }
 }
 
 apply plugin: 'groovy'
diff --git a/samples/standalone/restdocs/http-server/build.gradle b/samples/standalone/restdocs/http-server/build.gradle
index 794c87ae17..97beb5a697 100644
--- a/samples/standalone/restdocs/http-server/build.gradle
+++ b/samples/standalone/restdocs/http-server/build.gradle
@@ -2,12 +2,12 @@ buildscript {
 	repositories {
 		mavenCentral()
 		mavenLocal()
-		maven { url "http://repo.spring.io/snapshot" }
-		maven { url "http://repo.spring.io/milestone" }
-		maven { url "http://repo.spring.io/release" }
-		maven { url 'http://repo.spring.io/plugins-snapshot' }
-		maven { url "http://repo.spring.io/plugins-release-local" }
-		maven { url "http://repo.spring.io/plugins-staging-local/" }
+		maven { url "https://repo.spring.io/snapshot" }
+		maven { url "https://repo.spring.io/milestone" }
+		maven { url "https://repo.spring.io/release" }
+		maven { url 'https://repo.spring.io/plugins-snapshot' }
+		maven { url "https://repo.spring.io/plugins-release-local" }
+		maven { url "https://repo.spring.io/plugins-staging-local/" }
 	}
 	dependencies {
 		classpath "org.springframework.boot:spring-boot-gradle-plugin:2.1.2.RELEASE"
@@ -21,9 +21,9 @@ version = '0.0.1-SNAPSHOT'
 repositories {
 	mavenCentral()
 	mavenLocal()
-	maven { url "http://repo.spring.io/snapshot" }
-	maven { url "http://repo.spring.io/milestone" }
-	maven { url "http://repo.spring.io/release" }
+	maven { url "https://repo.spring.io/snapshot" }
+	maven { url "https://repo.spring.io/milestone" }
+	maven { url "https://repo.spring.io/release" }
 }
 
 apply plugin: 'groovy'
diff --git a/samples/standalone/webclient/http-client/build.gradle b/samples/standalone/webclient/http-client/build.gradle
index c02fcdefac..8d0cf4566c 100644
--- a/samples/standalone/webclient/http-client/build.gradle
+++ b/samples/standalone/webclient/http-client/build.gradle
@@ -2,9 +2,9 @@ buildscript {
 	repositories {
 		mavenCentral()
 		mavenLocal()
-		maven { url "http://repo.spring.io/snapshot" }
-		maven { url "http://repo.spring.io/milestone" }
-		maven { url "http://repo.spring.io/release" }
+		maven { url "https://repo.spring.io/snapshot" }
+		maven { url "https://repo.spring.io/milestone" }
+		maven { url "https://repo.spring.io/release" }
 	}
 	dependencies {
 		classpath "org.springframework.boot:spring-boot-gradle-plugin:2.1.2.RELEASE"
@@ -17,9 +17,9 @@ version = '0.0.1-SNAPSHOT'
 repositories {
 	mavenCentral()
 	mavenLocal()
-	maven { url "http://repo.spring.io/snapshot" }
-	maven { url "http://repo.spring.io/milestone" }
-	maven { url "http://repo.spring.io/release" }
+	maven { url "https://repo.spring.io/snapshot" }
+	maven { url "https://repo.spring.io/milestone" }
+	maven { url "https://repo.spring.io/release" }
 }
 
 apply plugin: 'groovy'
diff --git a/samples/standalone/webclient/http-server/build.gradle b/samples/standalone/webclient/http-server/build.gradle
index 6a750e362a..2703c06a79 100644
--- a/samples/standalone/webclient/http-server/build.gradle
+++ b/samples/standalone/webclient/http-server/build.gradle
@@ -2,12 +2,12 @@ buildscript {
 	repositories {
 		mavenCentral()
 		mavenLocal()
-		maven { url "http://repo.spring.io/snapshot" }
-		maven { url "http://repo.spring.io/milestone" }
-		maven { url "http://repo.spring.io/release" }
-		maven { url 'http://repo.spring.io/plugins-snapshot' }
-		maven { url "http://repo.spring.io/plugins-release-local" }
-		maven { url "http://repo.spring.io/plugins-staging-local/" }
+		maven { url "https://repo.spring.io/snapshot" }
+		maven { url "https://repo.spring.io/milestone" }
+		maven { url "https://repo.spring.io/release" }
+		maven { url 'https://repo.spring.io/plugins-snapshot' }
+		maven { url "https://repo.spring.io/plugins-release-local" }
+		maven { url "https://repo.spring.io/plugins-staging-local/" }
 	}
 	dependencies {
 		classpath "org.springframework.boot:spring-boot-gradle-plugin:2.1.2.RELEASE"
@@ -20,9 +20,9 @@ version = '0.0.1-SNAPSHOT'
 repositories {
 	mavenCentral()
 	mavenLocal()
-	maven { url "http://repo.spring.io/snapshot" }
-	maven { url "http://repo.spring.io/milestone" }
-	maven { url "http://repo.spring.io/release" }
+	maven { url "https://repo.spring.io/snapshot" }
+	maven { url "https://repo.spring.io/milestone" }
+	maven { url "https://repo.spring.io/release" }
 }
 
 apply plugin: 'groovy'
diff --git a/samples/standalone/yml/http-client/build.gradle b/samples/standalone/yml/http-client/build.gradle
index 6e488c206b..f521a95c56 100644
--- a/samples/standalone/yml/http-client/build.gradle
+++ b/samples/standalone/yml/http-client/build.gradle
@@ -2,9 +2,9 @@ buildscript {
 	repositories {
 		mavenCentral()
 		mavenLocal()
-		maven { url "http://repo.spring.io/snapshot" }
-		maven { url "http://repo.spring.io/milestone" }
-		maven { url "http://repo.spring.io/release" }
+		maven { url "https://repo.spring.io/snapshot" }
+		maven { url "https://repo.spring.io/milestone" }
+		maven { url "https://repo.spring.io/release" }
 	}
 	dependencies {
 		classpath "org.springframework.boot:spring-boot-gradle-plugin:2.1.2.RELEASE"
@@ -17,9 +17,9 @@ version = '0.0.1-SNAPSHOT'
 repositories {
 	mavenCentral()
 	mavenLocal()
-	maven { url "http://repo.spring.io/snapshot" }
-	maven { url "http://repo.spring.io/milestone" }
-	maven { url "http://repo.spring.io/release" }
+	maven { url "https://repo.spring.io/snapshot" }
+	maven { url "https://repo.spring.io/milestone" }
+	maven { url "https://repo.spring.io/release" }
 }
 
 apply plugin: 'groovy'
diff --git a/samples/standalone/yml/http-server/build.gradle b/samples/standalone/yml/http-server/build.gradle
index a6185b799c..fae5a590a3 100644
--- a/samples/standalone/yml/http-server/build.gradle
+++ b/samples/standalone/yml/http-server/build.gradle
@@ -3,9 +3,9 @@ buildscript {
 	repositories {
 		mavenCentral()
 		mavenLocal()
-		maven { url "http://repo.spring.io/snapshot" }
-		maven { url "http://repo.spring.io/milestone" }
-		maven { url "http://repo.spring.io/release" }
+		maven { url "https://repo.spring.io/snapshot" }
+		maven { url "https://repo.spring.io/milestone" }
+		maven { url "https://repo.spring.io/release" }
 	}
 // end::repos[]
 	dependencies {
@@ -21,9 +21,9 @@ version = '0.0.1-SNAPSHOT'
 repositories {
 	mavenCentral()
 	mavenLocal()
-	maven { url "http://repo.spring.io/snapshot" }
-	maven { url "http://repo.spring.io/milestone" }
-	maven { url "http://repo.spring.io/release" }
+	maven { url "https://repo.spring.io/snapshot" }
+	maven { url "https://repo.spring.io/milestone" }
+	maven { url "https://repo.spring.io/release" }
 }
 // end::deps_repos[]
 
diff --git a/spring-cloud-contract-stub-runner/src/test/groovy/org/springframework/cloud/contract/stubrunner/serverexamples/StubRunnerBootEurekaExample.java b/spring-cloud-contract-stub-runner/src/test/groovy/org/springframework/cloud/contract/stubrunner/serverexamples/StubRunnerBootEurekaExample.java
index 9e44ae3713..3b61ed06d2 100644
--- a/spring-cloud-contract-stub-runner/src/test/groovy/org/springframework/cloud/contract/stubrunner/serverexamples/StubRunnerBootEurekaExample.java
+++ b/spring-cloud-contract-stub-runner/src/test/groovy/org/springframework/cloud/contract/stubrunner/serverexamples/StubRunnerBootEurekaExample.java
@@ -42,7 +42,7 @@ public class StubRunnerBootEurekaExample {
 /*
  *
  * // tag::stubrunnereureka_args[]
- * -Dstubrunner.repositoryRoot=http://repo.spring.io/snapshots (1)
+ * -Dstubrunner.repositoryRoot=https://repo.spring.io/snapshots (1)
  * -Dstubrunner.cloud.stubbed.discovery.enabled=false (2)
  * -Dstubrunner.ids=org.springframework.cloud.contract.verifier.stubs:loanIssuance,org.
  * springframework.cloud.contract.verifier.stubs:fraudDetectionServer,org.springframework.
diff --git a/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/build.gradle b/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/build.gradle
index 3620922ef6..3dca4f934d 100644
--- a/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/build.gradle
+++ b/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/build.gradle
@@ -49,10 +49,10 @@ repositories {
 	mavenLocal()
 	mavenCentral()
 	jcenter()
-	maven { url "http://repo.spring.io/snapshot" }
-	maven { url "http://repo.spring.io/milestone" }
-	maven { url "http://repo.spring.io/libs-release-local" }
-	maven { url "http://repo.spring.io/libs-staging-local/" }
+	maven { url "https://repo.spring.io/snapshot" }
+	maven { url "https://repo.spring.io/milestone" }
+	maven { url "https://repo.spring.io/libs-release-local" }
+	maven { url "https://repo.spring.io/libs-staging-local/" }
 }
 
 //Dependencies in all subprojects - http://solidsoft.wordpress.com/2014/11/13/gradle-tricks-display-dependencies-for-all-subprojects-in-multi-project-build/
diff --git a/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/bootSimple/build.gradle b/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/bootSimple/build.gradle
index e697831ba0..48c1c5a45e 100644
--- a/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/bootSimple/build.gradle
+++ b/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/bootSimple/build.gradle
@@ -1,9 +1,9 @@
 buildscript {
 	repositories {
 		mavenCentral()
-		maven { url "http://repo.spring.io/snapshot" }
-		maven { url "http://repo.spring.io/milestone" }
-		maven { url "http://repo.spring.io/release" }
+		maven { url "https://repo.spring.io/snapshot" }
+		maven { url "https://repo.spring.io/milestone" }
+		maven { url "https://repo.spring.io/release" }
 	}
 }
 
@@ -25,9 +25,9 @@ ext {
 repositories {
 	mavenCentral()
 	mavenLocal()
-	maven { url "http://repo.spring.io/snapshot" }
-	maven { url "http://repo.spring.io/milestone" }
-	maven { url "http://repo.spring.io/release" }
+	maven { url "https://repo.spring.io/snapshot" }
+	maven { url "https://repo.spring.io/milestone" }
+	maven { url "https://repo.spring.io/release" }
 }
 
 dependencies {
diff --git a/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/sampleJerseyProject/build.gradle b/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/sampleJerseyProject/build.gradle
index 914ca542cc..2f4064a175 100644
--- a/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/sampleJerseyProject/build.gradle
+++ b/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/sampleJerseyProject/build.gradle
@@ -19,9 +19,9 @@ buildscript {
 	repositories {
 		mavenLocal()
 		mavenCentral()
-		maven { url "http://repo.spring.io/snapshot" }
-		maven { url "http://repo.spring.io/milestone" }
-		maven { url "http://repo.spring.io/release" }
+		maven { url "https://repo.spring.io/snapshot" }
+		maven { url "https://repo.spring.io/milestone" }
+		maven { url "https://repo.spring.io/release" }
 	}
 	dependencies {
 		classpath("org.springframework.boot:spring-boot-gradle-plugin:${bootVersion}")
@@ -49,9 +49,9 @@ subprojects {
 	repositories {
 		mavenCentral()
 		mavenLocal()
-		maven { url "http://repo.spring.io/snapshot" }
-		maven { url "http://repo.spring.io/milestone" }
-		maven { url "http://repo.spring.io/release" }
+		maven { url "https://repo.spring.io/snapshot" }
+		maven { url "https://repo.spring.io/milestone" }
+		maven { url "https://repo.spring.io/release" }
 	}
 
 	dependencies {
diff --git a/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/sampleProject/build.gradle b/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/sampleProject/build.gradle
index 2b44b1977a..bfb039ba24 100644
--- a/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/sampleProject/build.gradle
+++ b/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/sampleProject/build.gradle
@@ -19,9 +19,9 @@ buildscript {
 	repositories {
 		mavenCentral()
 		mavenLocal()
-		maven { url "http://repo.spring.io/snapshot" }
-		maven { url "http://repo.spring.io/milestone" }
-		maven { url "http://repo.spring.io/release" }
+		maven { url "https://repo.spring.io/snapshot" }
+		maven { url "https://repo.spring.io/milestone" }
+		maven { url "https://repo.spring.io/release" }
 	}
 	dependencies {
 		classpath("org.springframework.boot:spring-boot-gradle-plugin:${bootVersion}")
@@ -46,9 +46,9 @@ subprojects {
 	repositories {
 		mavenCentral()
 		mavenLocal()
-		maven { url "http://repo.spring.io/snapshot" }
-		maven { url "http://repo.spring.io/milestone" }
-		maven { url "http://repo.spring.io/release" }
+		maven { url "https://repo.spring.io/snapshot" }
+		maven { url "https://repo.spring.io/milestone" }
+		maven { url "https://repo.spring.io/release" }
 	}
 
 	dependencies {
diff --git a/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/scenarioProject/build.gradle b/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/scenarioProject/build.gradle
index f26bd1f1ac..674d9f9e01 100644
--- a/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/scenarioProject/build.gradle
+++ b/spring-cloud-contract-tools/spring-cloud-contract-gradle-plugin/src/test/resources/functionalTest/scenarioProject/build.gradle
@@ -19,9 +19,9 @@ buildscript {
 	repositories {
 		mavenCentral()
 		mavenLocal()
-		maven { url "http://repo.spring.io/snapshot" }
-		maven { url "http://repo.spring.io/milestone" }
-		maven { url "http://repo.spring.io/release" }
+		maven { url "https://repo.spring.io/snapshot" }
+		maven { url "https://repo.spring.io/milestone" }
+		maven { url "https://repo.spring.io/release" }
 	}
 	dependencies {
 		classpath("org.springframework.boot:spring-boot-gradle-plugin:${bootVersion}")
@@ -47,9 +47,9 @@ subprojects {
 	repositories {
 		mavenCentral()
 		mavenLocal()
-		maven { url "http://repo.spring.io/snapshot" }
-		maven { url "http://repo.spring.io/milestone" }
-		maven { url "http://repo.spring.io/release" }
+		maven { url "https://repo.spring.io/snapshot" }
+		maven { url "https://repo.spring.io/milestone" }
+		maven { url "https://repo.spring.io/release" }
 	}
 
 	dependencies {