diff --git a/docs.Dockerfile b/docs.Dockerfile
index 946c26391..13f07b3f6 100644
--- a/docs.Dockerfile
+++ b/docs.Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.7
+FROM alpine:3.18
 
 ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/root/.local/bin