diff --git a/Dockerfile b/Dockerfile
index d538737..1b46151 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/library/alpine:3.15.1
+FROM docker.io/library/alpine:3.15.2
 
 RUN apk add bind-tools curl iputils