diff --git a/README.md b/README.md
index 16407a5..a3bf57e 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ CAS management web application WAR overlay for CAS with externalized configurati
 # Versions
 
 ```xml
-<cas.version>6.2.x</cas.version>
+<cas.version>6.3.x</cas.version>
 ```
 
 # Requirements
diff --git a/build.gradle b/build.gradle
index 0c592c7..7425af2 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,10 +1,8 @@
 buildscript {
     repositories {
         mavenLocal()
-        jcenter()
-        maven { url "https://repo.spring.io/libs-milestone" }
-        maven { url "https://repo.spring.io/libs-snapshot" }
-        maven { url "https://plugins.gradle.org/m2/" }         
+        jcenter()  
+        gradlePluginPortal()     
     }
     dependencies {
         classpath "org.springframework.boot:spring-boot-gradle-plugin:${project.springBootVersion}"
@@ -15,11 +13,9 @@ buildscript {
 repositories {
     mavenLocal()
     mavenCentral()
-    jcenter()
+    maven { url 'https://oss.sonatype.org/content/repositories/releases' }
     maven { url 'https://oss.sonatype.org/content/repositories/snapshots' }
     maven { url 'https://build.shibboleth.net/nexus/content/repositories/releases/' }
-    maven { url "https://repo.spring.io/milestone/" }
-    maven { url "https://oss.jfrog.org/artifactory/oss-snapshot-local" }
 }
 
 apply plugin: "io.freefair.war-overlay"
@@ -46,6 +42,14 @@ idea {
     }
 }
 
+configurations.all {
+    resolutionStrategy {
+        cacheChangingModulesFor 0, "seconds"
+        cacheDynamicVersionsFor 0, "seconds"
+        preferProjectModules()
+    }
+}
+
 war {
     entryCompression = ZipEntryCompression.STORED
 }
diff --git a/gradle.properties b/gradle.properties
index 4ff02de..9f6fb31 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,8 +1,7 @@
 # Versions
 
-casmgmt.version=6.2.1-SNAPSHOT
-cas.version=6.2.2-SNAPSHOT
-springBootVersion=2.2.8.RELEASE
+casmgmt.version=6.3.0-SNAPSHOT
+springBootVersion=2.3.7.RELEASE
 
 # Use -jetty, -undertow to other containers
 # Or blank if you want to deploy to an external container
@@ -11,4 +10,4 @@ appServer=-tomcat
 sourceCompatibility=11
 targetCompatibility=11
 
-gradleMavenPluginVersion=5.1.1
+gradleMavenPluginVersion=5.3.0
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 12d38de..da9702f 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.6.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.8-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists