diff --git a/Makefile b/Makefile
index ec5d5fc..c03580c 100644
--- a/Makefile
+++ b/Makefile
@@ -29,7 +29,7 @@ init:
 
 plan: init
 	@$(call vault_env) && \
-	terragrunt run --all --parallelism 4 --non-interactive plan
+	terragrunt run --all --parallelism 4 --non-interactive plan -- -lock=false
 
 apply: init
 	@$(call vault_env) && \