diff --git a/build.gradle b/build.gradle
index 7a0aca2..fd7050f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,9 +8,9 @@ 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:1.5.3.RELEASE"
@@ -41,9 +41,9 @@ repositories {
 			url getProp("M2_LOCAL")
 		}
 	}
-	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" }
 }
 
 dependencyManagement {