diff --git a/ci/msbuild.yml b/ci/msbuild.yml
index 29b6ace..e650e2a 100644
--- a/ci/msbuild.yml
+++ b/ci/msbuild.yml
@@ -1,6 +1,10 @@
 name: MSBuild
 
-on: [push]
+on:
+  push:
+    branches: [ $default-branch ]
+  pull_request:
+    branches: [ $default-branch ]
 
 env:
   # Path to the solution file relative to the root of the project.
diff --git a/code-scanning/scorecards.yml b/code-scanning/scorecards.yml
index 618ce28..d63b462 100644
--- a/code-scanning/scorecards.yml
+++ b/code-scanning/scorecards.yml
@@ -27,7 +27,7 @@ jobs:
           persist-credentials: false
 
       - name: "Run analysis"
-        uses: ossf/scorecard-action@c8416b0b2bf627c349ca92fc8e3de51a64b005cf # v1.0.2
+        uses: ossf/scorecard-action@c1aec4ac820532bab364f02a81873c555a0ba3a1 # v1.0.4
         with:
           results_file: results.sarif
           results_format: sarif