diff --git a/build.gradle b/build.gradle
index 65fd2a4..e94e33f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 buildscript {
   repositories {
     jcenter()
-    maven { url "http://repo.spring.io/libs-release" }
+    maven { url "https://repo.spring.io/libs-release" }
     mavenCentral()
   }
 }