diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 93d7403..d1ac609 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -5,8 +5,6 @@ on:
   push:
     tags:
       - "*"
-  pull_request:
-    branches: [ master ]
 
 jobs:
   create_release:
@@ -60,6 +58,7 @@ jobs:
   build_windows:
     runs-on: windows-latest
     name: "windows build: ${{ matrix.arch }}"
+    needs: create_release # we need to know the upload URL
     strategy:
       fail-fast: true
       matrix: