diff --git a/servlet/spring-boot/java/session-management/maximum-sessions-prevent-login/build.gradle b/servlet/spring-boot/java/session-management/maximum-sessions-prevent-login/build.gradle
index 76e6d59..a5b836e 100644
--- a/servlet/spring-boot/java/session-management/maximum-sessions-prevent-login/build.gradle
+++ b/servlet/spring-boot/java/session-management/maximum-sessions-prevent-login/build.gradle
@@ -7,6 +7,8 @@ plugins {
 
 repositories {
 	mavenCentral()
+	maven { url "https://repo.spring.io/milestone" }
+	maven { url "https://repo.spring.io/snapshot" }
 }
 
 dependencies {
diff --git a/servlet/spring-boot/java/session-management/maximum-sessions/build.gradle b/servlet/spring-boot/java/session-management/maximum-sessions/build.gradle
index 76e6d59..a5b836e 100644
--- a/servlet/spring-boot/java/session-management/maximum-sessions/build.gradle
+++ b/servlet/spring-boot/java/session-management/maximum-sessions/build.gradle
@@ -7,6 +7,8 @@ plugins {
 
 repositories {
 	mavenCentral()
+	maven { url "https://repo.spring.io/milestone" }
+	maven { url "https://repo.spring.io/snapshot" }
 }
 
 dependencies {