diff --git a/.github/workflows/pr-harness.yaml b/.github/workflows/pr-harness.yaml
new file mode 100644
index 0000000..3800351
--- /dev/null
+++ b/.github/workflows/pr-harness.yaml
@@ -0,0 +1,12 @@
+name: PR Harness
+
+on:
+  pull_request:
+    branches: [master]
+
+jobs:
+  harness:
+    permissions:
+      contents: read
+      pull-requests: read
+    uses: Cysharp/Actions/.github/workflows/pr-harness.yaml@main
diff --git a/.github/workflows/prevent-github-change.yaml b/.github/workflows/prevent-github-change.yaml
deleted file mode 100644
index 74573bb..0000000
--- a/.github/workflows/prevent-github-change.yaml
+++ /dev/null
@@ -1,12 +0,0 @@
-name: Prevent github change
-on:
-  pull_request:
-    paths:
-      - ".github/**/*.yaml"
-      - ".github/**/*.yml"
-
-jobs:
-  detect:
-    permissions:
-      contents: read
-    uses: Cysharp/Actions/.github/workflows/prevent-github-change.yaml@main