diff --git a/Dockerfile b/Dockerfile
index 877db12..38941aa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.3
+FROM alpine:3.16
 
 RUN echo "@testing http://dl-4.alpinelinux.org/alpine/edge/testing" | tee -a /etc/apk/repositories