diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a8d742cf..f407fbf8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -20,6 +20,9 @@ jobs:
           distribution: 'temurin'
           java-version: 17
       - uses: gradle/gradle-build-action@v2
+        with:
+          # allow master and *-dev branches to write caches (default is only master/main)
+          cache-read-only: ${{ github.ref != 'refs/heads/master' && !(github.ref.endsWith('-dev') && github.ref.startsWith('refs/heads/')) }}
         # gradle-build-action doesn't support caching files in the project dir
       - uses: actions/cache@v3
         with: