diff --git a/benchmark/commons/pom.xml b/benchmark/commons/pom.xml
index 10c0a65..deb65fc 100644
--- a/benchmark/commons/pom.xml
+++ b/benchmark/commons/pom.xml
@@ -1,6 +1,6 @@
 <?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/maven-v4_0_0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
 
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/benchmark/mongodb/pom.xml b/benchmark/mongodb/pom.xml
index 04ee597..fe197b8 100644
--- a/benchmark/mongodb/pom.xml
+++ b/benchmark/mongodb/pom.xml
@@ -1,6 +1,6 @@
 <?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/maven-v4_0_0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
 
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/benchmark/pom.xml b/benchmark/pom.xml
index 52bbe6c..00f55cd 100644
--- a/benchmark/pom.xml
+++ b/benchmark/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <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">
+		 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>
 
diff --git a/benchmark/support/pom.xml b/benchmark/support/pom.xml
index 945ef80..5227f64 100644
--- a/benchmark/support/pom.xml
+++ b/benchmark/support/pom.xml
@@ -1,6 +1,6 @@
 <?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/maven-v4_0_0.xsd">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/maven-v4_0_0.xsd">
 
 	<modelVersion>4.0.0</modelVersion>
 
diff --git a/release-tools/pom.xml b/release-tools/pom.xml
index 112893b..4955fe4 100644
--- a/release-tools/pom.xml
+++ b/release-tools/pom.xml
@@ -1,5 +1,5 @@
 <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">
+		 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>
 	<groupId>org.springframework.data.build</groupId>
 	<artifactId>spring-data-release-cli</artifactId>
@@ -169,7 +169,7 @@
 	<repositories>
 		<repository>
 			<id>spring-libs-snapshot</id>
-			<url>http://repo.spring.io/libs-snapshot</url>
+			<url>https://repo.spring.io/libs-snapshot</url>
 		</repository>
 	</repositories>
 
diff --git a/release-tools/src/test/resources/parent-pom.xml b/release-tools/src/test/resources/parent-pom.xml
index 610ce8d..dc9b366 100644
--- a/release-tools/src/test/resources/parent-pom.xml
+++ b/release-tools/src/test/resources/parent-pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <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">
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
 
 	<!--
 
@@ -33,12 +33,12 @@
 
 	<name>Spring Data Build - General parent module</name>
 	<description>Global parent pom.xml to be used by Spring Data modules</description>
-	<url>http://www.spring.io/spring-data</url>
+	<url>https://www.spring.io/spring-data</url>
 	<inceptionYear>2011</inceptionYear>
 
 	<organization>
 		<name>Pivotal Software, Inc.</name>
-		<url>http://www.spring.io</url>
+		<url>https://www.spring.io</url>
 	</organization>
 
 	<developers>
@@ -47,7 +47,7 @@
 			<name>Oliver Gierke</name>
 			<email>ogierke at pivotal.io</email>
 			<organization>Pivotal Software, Inc.</organization>
-			<organizationUrl>http://www.spring.io</organizationUrl>
+			<organizationUrl>https://www.spring.io</organizationUrl>
 			<roles>
 				<role>Project lead</role>
 			</roles>
@@ -720,7 +720,7 @@
 			<repositories>
 				<repository>
 					<id>oss-nexus-snapshots</id>
-					<url>http://oss.sonatype.org/content/repositories/snapshots</url>
+					<url>https://oss.sonatype.org/content/repositories/snapshots</url>
 				</repository>
 			</repositories>
 		</profile>
diff --git a/release-tools/src/test/resources/sample-pom.xml b/release-tools/src/test/resources/sample-pom.xml
index d51e1eb..43273ee 100644
--- a/release-tools/src/test/resources/sample-pom.xml
+++ b/release-tools/src/test/resources/sample-pom.xml
@@ -1,5 +1,5 @@
 <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">
+	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>
 	<groupId>org.springframework.data.build</groupId>
 	<artifactId>spring-data-release-cli</artifactId>
@@ -21,7 +21,7 @@
 			<repositories>
 				<repository>
 					<id>spring-libs-snapshot</id>
-					<url>http://repo.spring.io/libs-snapshot</url>
+					<url>https://repo.spring.io/libs-snapshot</url>
 				</repository>
 			</repositories>
 		</profile>
@@ -105,7 +105,7 @@
 	<repositories>
 		<repository>
 			<id>spring-libs-snapshot</id>
-			<url>http://repo.spring.io/libs-snapshot</url>
+			<url>https://repo.spring.io/libs-snapshot</url>
 		</repository>
 	</repositories>