diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d434d6d..13a3005 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,8 +2,6 @@ name: Release build
 
 on:
   push:
-    branches:
-      - "release/**"
 
 jobs:
   linux:
@@ -27,6 +25,7 @@ jobs:
           manylinux: auto
 
       - name: Upload wheels
+        if: github.ref == 'refs/heads/release/**'
         uses: actions/upload-artifact@v3
         with:
           name: ${{ github.sha }}
@@ -52,6 +51,7 @@ jobs:
           sccache: "true"
 
       - name: Upload wheels
+        if: github.ref == 'refs/heads/release/**'
         uses: actions/upload-artifact@v3
         with:
           name: ${{ github.sha }}
@@ -69,6 +69,7 @@ jobs:
           args: --out dist
 
       - name: Upload sdist
+        if: github.ref == 'refs/heads/release/**'
         uses: actions/upload-artifact@v3
         with:
           name: ${{ github.sha }}