diff --git a/seafile-caddy/Dockerfile b/seafile-caddy/Dockerfile
index 89952b5..d607895 100644
--- a/seafile-caddy/Dockerfile
+++ b/seafile-caddy/Dockerfile
@@ -1,4 +1,4 @@
-FROM caddy:2.8.4-alpine
+FROM caddy:2.9.1-alpine
 
 RUN apk add --no-cache \
 bash \
diff --git a/seahub-media/Dockerfile b/seahub-media/Dockerfile
index c4c3a5a..fc5c92a 100644
--- a/seahub-media/Dockerfile
+++ b/seahub-media/Dockerfile
@@ -12,6 +12,6 @@ RUN wget https://raw.githubusercontent.com/haiwen/seafile-docker/master/build/se
 RUN chmod +x ./seafile-build.sh
 RUN ./seafile-build.sh ${SEAFILE_VERSION}
 
-FROM caddy:2.8.4-alpine
+FROM caddy:2.9.1-alpine
 
 COPY --from=build /tmp/seafile-server*/seahub/media /usr/share/caddy/media
\ No newline at end of file