diff --git a/Dockerfile b/Dockerfile
index c047195..a511f93 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.12
+FROM alpine:3.16
 
 RUN apk --no-cache --update add bash git \
     && rm -rf /var/cache/apk/*