diff --git a/docker/Dockerfile b/docker/Dockerfile
index a9c5656..9bfc951 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.17.2
+FROM alpine:3.17.3
 
 EXPOSE 5353 8080
 
diff --git a/docker/ci/Dockerfile b/docker/ci/Dockerfile
index aeddf5e..aaf7da5 100644
--- a/docker/ci/Dockerfile
+++ b/docker/ci/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.17.2
+FROM alpine:3.17.3
 
 EXPOSE 5353 8080