diff --git a/seafile-server/Dockerfile b/seafile-server/Dockerfile
index 0b73ff3..9fae1eb 100644
--- a/seafile-server/Dockerfile
+++ b/seafile-server/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.17.4 AS get
+FROM alpine:3.18.2 AS get
 
 RUN apk add --no-cache wget
 
diff --git a/seahub-media/Dockerfile b/seahub-media/Dockerfile
index 3591e1f..143bae0 100644
--- a/seahub-media/Dockerfile
+++ b/seahub-media/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.17.4 AS get
+FROM alpine:3.18.2 AS get
 ENV SEAFILE_SERVER=seafile-server SEAFILE_VERSION=10.0.1
 
 RUN apk add --no-cache wget
diff --git a/seahub/Dockerfile b/seahub/Dockerfile
index 072b58b..ddde183 100644
--- a/seahub/Dockerfile
+++ b/seahub/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.17.4 AS get
+FROM alpine:3.18.2 AS get
 ENV SEAFILE_SERVER=seafile-server SEAFILE_VERSION=10.0.1
 
 RUN apk add --no-cache wget