diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f1aa7c78e..2a2edbcab 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -48,7 +48,7 @@ jobs:
             experimental: true
             cache-id: "jdk-ea-full"
             java: "ea"
-            flags: ""
+            flags: "-Dexperimental"
     runs-on: ubuntu-latest
     steps:
     - name: 'Checkout from Git'