diff --git a/Dockerfile b/Dockerfile
index 7745da3..b9a7f53 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.18.3
+FROM alpine:3.20.3
 
 ENV MKDOCS_VERSION=1.5.2 \
     DOCS_DIRECTORY='/mkdocs' \