diff --git a/main.tf b/main.tf
index 2aff7ab8..bfcd4bb9 100644
--- a/main.tf
+++ b/main.tf
@@ -2,7 +2,7 @@ terraform {
   required_providers {
     cosign = {
       source  = "chainguard-dev/cosign"
-      version = "0.5.1"
+      version = "0.5.3"
     }
     apko = {
       source  = "chainguard-dev/apko"