diff --git a/seafile-server/Dockerfile b/seafile-server/Dockerfile
index 9455c93..ea33f22 100644
--- a/seafile-server/Dockerfile
+++ b/seafile-server/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.18.8 AS get
+FROM alpine:3.20.2 AS get
 
 RUN apk add --no-cache wget
 
diff --git a/seahub-media/Dockerfile b/seahub-media/Dockerfile
index bf58966..e53e8c1 100644
--- a/seahub-media/Dockerfile
+++ b/seahub-media/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.18.8 AS get
+FROM alpine:3.20.2 AS get
 ENV SEAFILE_VERSION=11.0.9
 
 RUN apk add --no-cache wget
diff --git a/seahub/Dockerfile b/seahub/Dockerfile
index 6a182ac..2e90d9a 100644
--- a/seahub/Dockerfile
+++ b/seahub/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.18.8 AS get
+FROM alpine:3.20.2 AS get
 ENV SEAFILE_VERSION=11.0.9
 
 RUN apk add --no-cache wget