diff --git a/docs.Dockerfile b/docs.Dockerfile
index 3d8008f..9431690 100644
--- a/docs.Dockerfile
+++ b/docs.Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine
+FROM alpine:3.17.3
 
 ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/root/.local/bin