diff --git a/Dockerfile b/Dockerfile
index 5fb88ae..7616c15 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Set the base image to use for subsequent instructions.
-FROM alpine:3.20
+FROM alpine:3.21
 
 # Set the working directory inside the container.
 WORKDIR /usr/src