diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 620e851..7128ad6 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -21,10 +21,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
-    - name: Set up JDK 18
+    - name: Set up JDK 20
       uses: actions/setup-java@v3
       with:
-        java-version: '18'
+        java-version: '20'
         distribution: 'temurin'
         cache: maven
     - name: Build with Maven
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 0fb3f96..1ecef99 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -11,7 +11,7 @@
   <component name="ProjectKey">
     <option name="state" value="project://e2804f05-5315-4fc6-a121-c522a6c26470" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_18" project-jdk-name="20" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_20" project-jdk-name="20" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file