diff --git a/.github/workflows/test-mock-changes.yml b/.github/workflows/test-mock-changes.yml
new file mode 100644
index 0000000000..63b9d50a8d
--- /dev/null
+++ b/.github/workflows/test-mock-changes.yml
@@ -0,0 +1,56 @@
+name: Test Mock Changes
+
+on:
+  push:
+    branches:
+      - main
+      - patch-*
+      - prepare-*
+  pull_request:
+    paths:
+      - '**.go'
+      - '.github/workflows/test-mock-changes.yml'
+  workflow_dispatch: # Manual
+
+# This allows a subsequently queued workflow run to interrupt previous runs
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id}}
+  cancel-in-progress: true
+
+defaults:
+  run:
+    # fail-fast using bash -eo pipefail. See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#exit-codes-and-error-action-preference
+    shell: bash
+
+permissions:
+  contents: read
+
+jobs:
+  test-mock-changes:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Harden Runner
+      uses: step-security/harden-runner@63c24ba6bd7ba022e95695ff85de572c04a18142 # v2.7.0
+      with:
+        egress-policy: audit
+
+    - name: Checkout Code
+      uses: actions/checkout@629c2de402a417ea7690ca6ce3f33229e27606a5 # v2
+      with:
+        fetch-depth: 0
+
+    - name: Install Go
+      uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # v4.1.0
+      with:
+        go-version-file: 'go.mod'
+
+    - name: Verify test mock changes
+      run: |
+        make mock
+        for mockfile in $(git ls-files '*_mock.go'); do
+          if [[ $(git diff-files --patch "$mockfile") ]]; then
+            echo "❌ fail: uncommitted changes in ${mockfile}"
+            echo "please run 'make mock' and commit the changes"
+            exit 1
+          fi
+        done