diff --git a/main.tf b/main.tf
index 470352c6..c5a0ea3d 100644
--- a/main.tf
+++ b/main.tf
@@ -6,7 +6,7 @@ terraform {
     }
     apko = {
       source  = "chainguard-dev/apko"
-      version = "0.15.11"
+      version = "0.15.15"
     }
     oci = {
       source  = "chainguard-dev/oci"