diff --git a/complete/build.gradle b/complete/build.gradle
index de1ad8501b..11858f71a5 100644
--- a/complete/build.gradle
+++ b/complete/build.gradle
@@ -1,6 +1,6 @@
 buildscript {
     repositories {
-        maven { url "http://repo.spring.io/libs-release" }
+        maven { url "https://repo.spring.io/libs-release" }
         mavenLocal()
         mavenCentral()
     }
@@ -22,7 +22,7 @@ jar {
 repositories {
     mavenLocal()
     mavenCentral()
-    maven { url "http://repo.spring.io/libs-release" }
+    maven { url "https://repo.spring.io/libs-release" }
 }
 
 dependencies {
diff --git a/complete/pom.xml b/complete/pom.xml
index 74f99a1eea..ad7bd7054d 100644
--- a/complete/pom.xml
+++ b/complete/pom.xml
@@ -40,14 +40,14 @@
     <repositories>
         <repository>
             <id>spring-releases</id>
-            <url>http://repo.spring.io/libs-release</url>
+            <url>https://repo.spring.io/libs-release</url>
         </repository>
     </repositories>
 
     <pluginRepositories>
         <pluginRepository>
             <id>spring-releases</id>
-            <url>http://repo.spring.io/libs-release</url>
+            <url>https://repo.spring.io/libs-release</url>
         </pluginRepository>
     </pluginRepositories>
 
diff --git a/initial/build.gradle b/initial/build.gradle
index de1ad8501b..11858f71a5 100644
--- a/initial/build.gradle
+++ b/initial/build.gradle
@@ -1,6 +1,6 @@
 buildscript {
     repositories {
-        maven { url "http://repo.spring.io/libs-release" }
+        maven { url "https://repo.spring.io/libs-release" }
         mavenLocal()
         mavenCentral()
     }
@@ -22,7 +22,7 @@ jar {
 repositories {
     mavenLocal()
     mavenCentral()
-    maven { url "http://repo.spring.io/libs-release" }
+    maven { url "https://repo.spring.io/libs-release" }
 }
 
 dependencies {
diff --git a/initial/pom.xml b/initial/pom.xml
index 74f99a1eea..ad7bd7054d 100644
--- a/initial/pom.xml
+++ b/initial/pom.xml
@@ -40,14 +40,14 @@
     <repositories>
         <repository>
             <id>spring-releases</id>
-            <url>http://repo.spring.io/libs-release</url>
+            <url>https://repo.spring.io/libs-release</url>
         </repository>
     </repositories>
 
     <pluginRepositories>
         <pluginRepository>
             <id>spring-releases</id>
-            <url>http://repo.spring.io/libs-release</url>
+            <url>https://repo.spring.io/libs-release</url>
         </pluginRepository>
     </pluginRepositories>