diff --git a/mvnw b/mvnw
index 0a7dac2..d0275e2 100755
--- a/mvnw
+++ b/mvnw
@@ -8,7 +8,7 @@
 # "License"); you may not use this file except in compliance
 # with the License.  You may obtain a copy of the License at
 #
-#    http://www.apache.org/licenses/LICENSE-2.0
+#    https://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
diff --git a/mvnw.cmd b/mvnw.cmd
index b0dc0e7..7ecd01d 100644
--- a/mvnw.cmd
+++ b/mvnw.cmd
@@ -7,7 +7,7 @@
 @REM "License"); you may not use this file except in compliance
 @REM with the License.  You may obtain a copy of the License at
 @REM
-@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM    https://www.apache.org/licenses/LICENSE-2.0
 @REM
 @REM Unless required by applicable law or agreed to in writing,
 @REM software distributed under the License is distributed on an
diff --git a/pom.xml b/pom.xml
index a9c092c..eff3dbb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>spring-cloud-stream-starter-build</artifactId>
 	<packaging>pom</packaging>
@@ -62,7 +62,7 @@
 				<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>
@@ -70,7 +70,7 @@
 				<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>
@@ -78,7 +78,7 @@
 				<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>
@@ -88,7 +88,7 @@
 				<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>
@@ -96,7 +96,7 @@
 				<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/spring-cloud-stream-dependencies/pom.xml b/spring-cloud-stream-dependencies/pom.xml
index 4cce4a7..4eec8d3 100644
--- a/spring-cloud-stream-dependencies/pom.xml
+++ b/spring-cloud-stream-dependencies/pom.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <parent>
         <artifactId>spring-cloud-dependencies-parent</artifactId>
@@ -118,7 +118,7 @@
                 <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>
@@ -129,7 +129,7 @@
                 <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>
@@ -137,7 +137,7 @@
                 <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>
@@ -147,7 +147,7 @@
                 <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>
@@ -158,7 +158,7 @@
                 <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/spring-cloud-stream-docs/pom.xml b/spring-cloud-stream-docs/pom.xml
index 469ad74..b8efc65 100644
--- a/spring-cloud-stream-docs/pom.xml
+++ b/spring-cloud-stream-docs/pom.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.cloud</groupId>
@@ -104,8 +104,8 @@
 									<quiet>true</quiet>
 									<stylesheetfile>${basedir}/src/main/javadoc/spring-javadoc.css</stylesheetfile>
 									<links>
-										<link>http://docs.spring.io/spring-framework/docs/${spring.version}/javadoc-api/</link>
-										<link>http://docs.spring.io/spring-shell/docs/current/api/</link>
+										<link>https://docs.spring.io/spring-framework/docs/${spring.version}/javadoc-api/</link>
+										<link>https://docs.spring.io/spring-shell/docs/current/api/</link>
 									</links>
 								</configuration>
 							</execution>
@@ -383,7 +383,7 @@
 				<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>
@@ -391,7 +391,7 @@
 				<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>
@@ -399,7 +399,7 @@
 				<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>
@@ -409,7 +409,7 @@
 				<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>
@@ -417,7 +417,7 @@
 				<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>