diff --git a/local/docker/mkcert/Dockerfile b/local/docker/mkcert/Dockerfile
index 303726bd..9a8a2569 100644
--- a/local/docker/mkcert/Dockerfile
+++ b/local/docker/mkcert/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.16-alpine
+FROM golang:1.21-alpine
 
 # Set the version tag to build.
 ENV MKCERT_VERSION "v1.4.3"