diff --git a/Makefile b/Makefile
index e078b9c4e..5499d6dbe 100644
--- a/Makefile
+++ b/Makefile
@@ -99,6 +99,7 @@ $(PROFILES:%=clean-%):
 .PHONY: clean-all
 clean-all:
 	@rm -rf _build
+	@rm rebar.lock
 
 .PHONY: deps-all
 deps-all: $(REBAR) $(PROFILES:%=deps-%)