diff --git a/seafile-server/Dockerfile b/seafile-server/Dockerfile
index c480729..303b3e0 100644
--- a/seafile-server/Dockerfile
+++ b/seafile-server/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.16.3 AS get
+FROM alpine:3.16.4 AS get
 
 RUN apk add --no-cache wget
 
diff --git a/seahub-media/Dockerfile b/seahub-media/Dockerfile
index a2af5e4..e43aa11 100644
--- a/seahub-media/Dockerfile
+++ b/seahub-media/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.16.3 AS get
+FROM alpine:3.16.4 AS get
 ENV SEAFILE_SERVER=seafile-server SEAFILE_VERSION=10.0.0
 
 RUN apk add --no-cache wget
diff --git a/seahub/Dockerfile b/seahub/Dockerfile
index c8d6bdf..7e592b6 100644
--- a/seahub/Dockerfile
+++ b/seahub/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.16.3 AS get
+FROM alpine:3.16.4 AS get
 ENV SEAFILE_SERVER=seafile-server SEAFILE_VERSION=10.0.0
 
 RUN apk add --no-cache wget