diff --git a/.github/workflows/run-experiments-apache-james.yml b/.github/workflows/run-experiments-apache-james.yml
index 2ce3703..5937d41 100644
--- a/.github/workflows/run-experiments-apache-james.yml
+++ b/.github/workflows/run-experiments-apache-james.yml
@@ -21,10 +21,10 @@ jobs:
           - experimentId: 2
     runs-on: ubuntu-latest
     steps:
-      - name: Set up JDK 11
+      - name: Set up JDK 21
         uses: actions/setup-java@v4
         with:
-          java-version: 11
+          java-version: 21
           distribution: "temurin"
       - name: Download latest version of the validation scripts
         uses: gradle/gradle-enterprise-build-validation-scripts/.github/actions/maven/download@actions-stable