diff --git a/.github/workflows/prepare-release.yml b/.github/workflows/prepare-release.yml
index 145418d72b..2704246399 100644
--- a/.github/workflows/prepare-release.yml
+++ b/.github/workflows/prepare-release.yml
@@ -64,6 +64,8 @@ jobs:
   build_mobile:
     uses: ./.github/workflows/build-mobile.yml
     needs: bump_version
+    permissions:
+      contents: read
     secrets:
       KEY_JKS: ${{ secrets.KEY_JKS }}
       ALIAS: ${{ secrets.ALIAS }}