diff --git a/terragrunt/Dockerfile b/terragrunt/Dockerfile
index d6478d7f..775743df 100644
--- a/terragrunt/Dockerfile
+++ b/terragrunt/Dockerfile
@@ -9,7 +9,7 @@
 ###
 FROM hashicorp/terraform:1.8.4 as terraform
 
-FROM alpine:3.20
+FROM alpine:3.21
 
 LABEL org.opencontainers.image.authors="cloudkats@gmail.com" \
   org.opencontainers.image.vendor="https://github.com/cloudkats" \