diff --git a/.github/workflows/security-knn-tests.yml b/.github/workflows/security-knn-tests.yml
index 1cc955cb..cacbf129 100644
--- a/.github/workflows/security-knn-tests.yml
+++ b/.github/workflows/security-knn-tests.yml
@@ -65,10 +65,10 @@ jobs:
 
     steps:
       # This step uses the setup-java Github action: https://github.com/actions/setup-java
-      - name: Set Up JDK 17
+      - name: Set Up JDK 21
         uses: actions/setup-java@v1
         with:
-          java-version: 17
+          java-version: 21
       # This step uses the checkout Github action: https://github.com/actions/checkout
       - name: Checkout Branch
         uses: actions/checkout@v4
@@ -110,10 +110,10 @@ jobs:
 
     steps:
       # This step uses the setup-java Github action: https://github.com/actions/setup-java
-      - name: Set Up JDK 17
+      - name: Set Up JDK 21
         uses: actions/setup-java@v1
         with:
-          java-version: 17
+          java-version: 21
       # This step uses the checkout Github action: https://github.com/actions/checkout
       - name: Checkout Branch
         uses: actions/checkout@v4