diff --git a/docker/Dockerfile b/docker/Dockerfile
index d67dc61..6f808e2 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.15.4
+FROM alpine:3.16.0
 
 EXPOSE 5353 8080
 
diff --git a/docker/ci/Dockerfile b/docker/ci/Dockerfile
index 1496d6f..54de885 100644
--- a/docker/ci/Dockerfile
+++ b/docker/ci/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.15.4
+FROM alpine:3.16.0
 
 EXPOSE 5353 8080