diff --git a/.github/workflows/crd-diff.yaml b/.github/workflows/crd-diff.yaml
index 94cbf5a85..49a1b32da 100644
--- a/.github/workflows/crd-diff.yaml
+++ b/.github/workflows/crd-diff.yaml
@@ -14,5 +14,5 @@ jobs:
           go-version-file: go.mod
 
       - name: Run make verify-crd-compatibility
-        run: make verify-crd-compatibility CRD_DIFF_ORIGINAL_REF=${{ github.event.pull_request.base.sha }} CRD_DIFF_UPDATED_REF=${{ github.event.pull_request.head.sha }}
+        run: make verify-crd-compatibility CRD_DIFF_ORIGINAL_REF=${{ github.event.pull_request.base.sha }} CRD_DIFF_UPDATED_SOURCE="git://${{ github.event.pull_request.head.sha }}?path=config/base/crd/bases/olm.operatorframework.io_clusterextensions.yaml"
 
diff --git a/Makefile b/Makefile
index 8818c9391..b91ce1ffc 100644
--- a/Makefile
+++ b/Makefile
@@ -132,10 +132,10 @@ bingo-upgrade: $(BINGO) #EXHELP Upgrade tools
 
 .PHONY: verify-crd-compatibility
 CRD_DIFF_ORIGINAL_REF := main
-CRD_DIFF_UPDATED_REF  := HEAD
+CRD_DIFF_UPDATED_SOURCE := file://config/base/crd/bases/olm.operatorframework.io_clusterextensions.yaml
 CRD_DIFF_CONFIG := crd-diff-config.yaml
-verify-crd-compatibility: $(CRD_DIFF)
-	$(CRD_DIFF) --config="${CRD_DIFF_CONFIG}" "git://${CRD_DIFF_ORIGINAL_REF}?path=config/base/crd/bases/olm.operatorframework.io_clusterextensions.yaml" "git://${CRD_DIFF_UPDATED_REF}?path=config/base/crd/bases/olm.operatorframework.io_clusterextensions.yaml"
+verify-crd-compatibility: $(CRD_DIFF) manifests
+	$(CRD_DIFF) --config="${CRD_DIFF_CONFIG}" "git://${CRD_DIFF_ORIGINAL_REF}?path=config/base/crd/bases/olm.operatorframework.io_clusterextensions.yaml" ${CRD_DIFF_UPDATED_SOURCE}
 
 .PHONY: test
 test: manifests generate fmt vet test-unit test-e2e #HELP Run all tests.