diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fa53748..c92f64e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,6 +28,7 @@ jobs:
         run: sbt test
 
       - name: Publish artifacts
+        if: github.ref == 'refs/heads/main'
         env:
           PGP_PASSPHRASE: ${{ secrets.PGP_PASSPHRASE }}
           PGP_SECRET: ${{ secrets.PGP_SECRET }}