diff --git a/.github/workflows/build_validator.yml b/.github/workflows/build_validator.yml
index 83ae7af..6a4ffc7 100644
--- a/.github/workflows/build_validator.yml
+++ b/.github/workflows/build_validator.yml
@@ -29,12 +29,13 @@ jobs:
       with:
         java-version: ${{ matrix.jdk }}
         distribution: 'adopt'
-        cache: gradle
     - name: Validate Gradle wrapper
       uses: gradle/wrapper-validation-action@e6e38bacfdf1a337459f332974bb2327a31aaf4b
     - name: Make gradlew executable
       run: chmod +x ./gradlew
     - name: Generate SourceCode with Gradle
       run: ./gradlew generateGithubSource
+    - name: Setting Java Version
+      run: echo pcJavaVersion=${{matrix.jdk}} > ./gradle.properties
     - name: Build with Gradle
       run: ./gradlew build
diff --git a/build.gradle b/build.gradle
index 77cc50c..9c6ff89 100644
--- a/build.gradle
+++ b/build.gradle
@@ -20,7 +20,7 @@ repositories {
 archivesBaseName = 'Primitive Collections'
 version = '0.5.4';
 
-sourceCompatibility = targetCompatibility = compileJava.sourceCompatibility = compileJava.targetCompatibility = '1.8'
+sourceCompatibility = targetCompatibility = compileJava.sourceCompatibility = compileJava.targetCompatibility = JavaLanguageVersion.of(pcJavaVersion)
 
 javadoc {
     options.tags = [ "implSpec", "note" ] 
diff --git a/gradle.properties b/gradle.properties
index 659b74c..76ab5cd 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1 +1,3 @@
-org.gradle.jvmargs=-Xmx3G
\ No newline at end of file
+org.gradle.jvmargs=-Xmx3G
+
+pcJavaVersion=8
\ No newline at end of file