diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 0f27d03d..b53527bb 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -31,3 +31,6 @@ jobs:
         uses: gradle/gradle-build-action@v2
       - name: Gradle check
         run: ./gradlew check --continue
+        env:
+          ORG_GRADLE_PROJECT_signingKey: ${{ secrets.PGP_SIGNING_KEY }}
+          ORG_GRADLE_PROJECT_signingPassphrase: ${{ secrets.PGP_SIGNING_PASSPHRASE }}