diff --git a/Makefile b/Makefile
index 4e402125b2..c90430d67e 100644
--- a/Makefile
+++ b/Makefile
@@ -572,6 +572,7 @@ VERSION:
 PYTHON_VERSION:
 	@echo "$(PYTHON)" | sed 's:python::'
 
+.PHONY: Dockerfile
 Dockerfile: tools/ansible/roles/dockerfile/templates/Dockerfile.j2
 	ansible-playbook tools/ansible/dockerfile.yml -e receptor_image=$(RECEPTOR_IMAGE)