diff --git a/Makefile b/Makefile
index 4c6908c..0a2e913 100644
--- a/Makefile
+++ b/Makefile
@@ -22,7 +22,7 @@ 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) && \