diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 572991a..2f770f6 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -17,8 +17,8 @@ jobs:
           - macOS-latest
           - windows-latest
         java:
-          - 17
           - 21
+          - 23
     name: Build and Test Plugin Template
     runs-on: ${{ matrix.os }}
 
diff --git a/build.gradle b/build.gradle
index be395b9..4682934 100644
--- a/build.gradle
+++ b/build.gradle
@@ -14,6 +14,11 @@ def pathToPlugin = 'path.to.plugin'
 def pluginClassName = 'RenamePlugin'
 group = "RenameGroup"
 
+java {
+    targetCompatibility = JavaVersion.VERSION_21
+    sourceCompatibility = JavaVersion.VERSION_21
+}
+
 tasks.register("preparePluginPathDirs") {
     mustRunAfter clean
     doLast {