diff --git a/.github/workflows/prepare-release.yml b/.github/workflows/prepare-release.yml
index a1d9a0ca..c5fd61cb 100644
--- a/.github/workflows/prepare-release.yml
+++ b/.github/workflows/prepare-release.yml
@@ -2,7 +2,7 @@ name: Prepare Release
 
 on:
   workflow_dispatch:
-    branches: ["master"]
+    branches: ["master", "v2", "v31"]
 
 jobs:
   build: