diff --git a/maubot/standalone/Dockerfile b/maubot/standalone/Dockerfile
index 8bf06f8..56e056d 100644
--- a/maubot/standalone/Dockerfile
+++ b/maubot/standalone/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/alpine:3.15
+FROM docker.io/alpine:3.17
 
 RUN apk add --no-cache \
       python3 py3-pip py3-setuptools py3-wheel \