diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 09dd103..4c1f0b6 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -19,7 +19,7 @@ jobs:
     - name: Set up JDK
       uses: actions/setup-java@v4.2.1
       with:
-        distribution: 'zulu'
-        java-version: 12
+        distribution: 'temurin'
+        java-version: 21
     - name: Build with Maven
       run: mvn -B package --file pom.xml
diff --git a/.gitignore b/.gitignore
index cfd7088..02ee8ba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@
 /**/target
 /**/test-output
 dependency-reduced-pom.xml
+/.idea