diff --git a/Makefile b/Makefile
index 6d498b2c0..6e1045257 100644
--- a/Makefile
+++ b/Makefile
@@ -249,26 +249,26 @@ endif
 
 .PHONY: install
 install: manifests kustomize ## Install CRDs into the K8s cluster specified in ~/.kube/config.
-	$(KUSTOMIZE) fn run config/crd/mcad --image gcr.io/kpt-fn/apply-setters:v0.2.0 -- MCAD_CRD=$(MCAD_CRD)
+	sed -i -E "s|(- )\${MCAD_REPO}.*|\1\${MCAD_CRD}|" config/crd/mcad/kustomization.yaml
 	$(KUSTOMIZE) build config/crd | kubectl apply -f -
 	git restore config/*
 
 .PHONY: uninstall
 uninstall: manifests kustomize ## Uninstall CRDs from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
-	$(KUSTOMIZE) fn run config/crd/mcad --image gcr.io/kpt-fn/apply-setters:v0.2.0 -- MCAD_CRD=$(MCAD_CRD)
+	sed -i -E "s|(- )\${MCAD_REPO}.*|\1\${MCAD_CRD}|" config/crd/mcad/kustomization.yaml
 	$(KUSTOMIZE) build config/crd | kubectl delete --ignore-not-found=$(ignore-not-found) -f -
 	git restore config/*
 
 .PHONY: deploy
 deploy: manifests kustomize ## Deploy controller to the K8s cluster specified in ~/.kube/config.
-	$(KUSTOMIZE) fn run config/crd/mcad --image gcr.io/kpt-fn/apply-setters:v0.2.0 -- MCAD_CRD=$(MCAD_CRD)
+	sed -i -E "s|(- )\${MCAD_REPO}.*|\1\${MCAD_CRD}|" config/crd/mcad/kustomization.yaml
 	cd config/manager && $(KUSTOMIZE) edit set image controller=${IMG}
 	$(KUSTOMIZE) build config/default | kubectl apply -f -
 	git restore config/*
 
 .PHONY: undeploy
 undeploy: ## Undeploy controller from the K8s cluster specified in ~/.kube/config. Call with ignore-not-found=true to ignore resource not found errors during deletion.
-	$(KUSTOMIZE) fn run config/crd/mcad --image gcr.io/kpt-fn/apply-setters:v0.2.0 -- MCAD_CRD=$(MCAD_CRD)
+	sed -i -E "s|(- )\${MCAD_REPO}.*|\1\${MCAD_CRD}|" config/crd/mcad/kustomization.yaml
 	$(KUSTOMIZE) build config/default | kubectl delete --ignore-not-found=$(ignore-not-found) -f -
 	git restore config/*
 
@@ -367,7 +367,7 @@ validate-bundle: install-operator-sdk
 .PHONY: bundle
 bundle: defaults manifests kustomize install-operator-sdk ## Generate bundle manifests and metadata, then validate generated files.
 	$(OPERATOR_SDK) generate kustomize manifests -q
-	$(KUSTOMIZE) fn run config/crd/mcad --image gcr.io/kpt-fn/apply-setters:v0.2.0 -- MCAD_CRD=$(MCAD_CRD)
+	sed -i -E "s|(- )\${MCAD_REPO}.*|\1\${MCAD_CRD}|" config/crd/mcad/kustomization.yaml
 	cd config/manager && $(KUSTOMIZE) edit set image controller=$(IMG)
 	cd config/manifests && $(KUSTOMIZE) edit add patch --patch '[{"op":"add", "path":"/metadata/annotations/containerImage", "value": "$(IMG)" }]' --kind ClusterServiceVersion
 	cd config/manifests && $(KUSTOMIZE) edit add patch --patch '[{"op":"add", "path":"/spec/replaces", "value": "codeflare-operator.$(PREVIOUS_VERSION)" }]' --kind ClusterServiceVersion
diff --git a/README.md b/README.md
index fe5ce178a..685e85f21 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,9 @@ CodeFlare Stack Compatibility Matrix
 
 ## Development
 
+Requirements:
+- GNU sed - sed is used in several Makefile command. Using macOS default sed is incompatible, so GNU sed is needed for correct execution of these commands.
+
 ### Testing
 
 The e2e tests can be executed locally by running the following commands: