diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index d781900a..c3223e97 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -129,6 +129,8 @@ jobs:
     runs-on: ubuntu-22.04
     needs: test
     environment: "Prerelease deployment environment"
+    # Only publish prerelease packages on the master branch
+    if: ${{ github.ref_name == 'master' }}
 
     steps:
     - name: Setup dotnet