diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index e0d4085..ada9daf 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -28,10 +28,10 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v3
 
-      - name: Set up JDK 17
+      - name: Set up JDK 11
         uses: actions/setup-java@v3
         with:
-          java-version: '17'
+          java-version: '11'
           distribution: 'temurin'
           cache: maven
 
diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 0d3538e..f4ba55a 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -15,10 +15,10 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
-    - name: Set up JDK 17
+    - name: Set up JDK 11
       uses: actions/setup-java@v3
       with:
-        java-version: '17'
+        java-version: '11'
         distribution: 'temurin'
         cache: maven
     - name: Build with Maven
diff --git a/.github/workflows/mvn-dependency-submission.yml b/.github/workflows/mvn-dependency-submission.yml
index 442696d..9a14dc2 100644
--- a/.github/workflows/mvn-dependency-submission.yml
+++ b/.github/workflows/mvn-dependency-submission.yml
@@ -11,10 +11,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-      - name: Set up JDK 17
+      - name: Set up JDK 11
         uses: actions/setup-java@v3
         with:
-          java-version: '17'
+          java-version: '11'
           distribution: 'temurin'
           cache: maven
       - name: Maven Dependency Tree Dependency Submission
diff --git a/pom.xml b/pom.xml
index e6cdb92..ec73605 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,8 +29,8 @@
     <packaging>pom</packaging>
 
     <properties>
-        <maven.compiler.target>17</maven.compiler.target>
-        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+        <maven.compiler.source>11</maven.compiler.source>
     </properties>
 
     <modules>