diff --git a/docs/contributing/developer.md b/docs/contributing/developer.md
index a6d8e496..7dd3e20c 100644
--- a/docs/contributing/developer.md
+++ b/docs/contributing/developer.md
@@ -58,6 +58,7 @@ And install additional CRDs for the controller:
 
 ```bash
 kubectl apply -f config/crds/bases/externaldns.k8s.io_dnsendpoints.yaml
+kubectl apply -f config/crds/bases/gateway.networking.k8s.io_tlsroutes.yaml
 kubectl apply -f config/crds/bases/application-networking.k8s.aws_serviceexports.yaml
 kubectl apply -f config/crds/bases/application-networking.k8s.aws_serviceimports.yaml
 kubectl apply -f config/crds/bases/application-networking.k8s.aws_targetgrouppolicies.yaml