diff --git a/Dockerfile b/Dockerfile
index c843102..7db6923 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.12.3
+FROM alpine:3.13
 
 ENTRYPOINT ["/usr/bin/dumb-init", "--"]
 CMD ["/entrypoint.sh"]