diff --git a/reactive/webflux/java/session-management/maximum-sessions/build.gradle b/reactive/webflux/java/session-management/maximum-sessions/build.gradle
index b09e01a..303015b 100644
--- a/reactive/webflux/java/session-management/maximum-sessions/build.gradle
+++ b/reactive/webflux/java/session-management/maximum-sessions/build.gradle
@@ -11,8 +11,6 @@ java {
 	sourceCompatibility = '17'
 }
 
-ext["spring-security.version"] = "6.3.0-SNAPSHOT"
-
 repositories {
 	mavenCentral()
 	maven { url "https://repo.spring.io/milestone" }
diff --git a/reactive/webflux/java/session-management/maximum-sessions/gradle.properties b/reactive/webflux/java/session-management/maximum-sessions/gradle.properties
new file mode 100644
index 0000000..9676187
--- /dev/null
+++ b/reactive/webflux/java/session-management/maximum-sessions/gradle.properties
@@ -0,0 +1,4 @@
+version=6.1.1
+spring-security.version=6.4.0-SNAPSHOT
+org.gradle.jvmargs=-Xmx6g -XX:+HeapDumpOnOutOfMemoryError
+org.gradle.caching=true
diff --git a/servlet/spring-boot/java/cas/login/build.gradle b/servlet/spring-boot/java/cas/login/build.gradle
index cf08d76..94428f5 100644
--- a/servlet/spring-boot/java/cas/login/build.gradle
+++ b/servlet/spring-boot/java/cas/login/build.gradle
@@ -5,8 +5,6 @@ plugins {
     id 'java'
 }
 
-ext['spring-security.version'] = '6.3.0-SNAPSHOT'
-
 repositories {
     mavenCentral()
     maven { url "https://repo.spring.io/milestone" }