diff --git a/alpine/Dockerfile b/alpine/Dockerfile
index 91b1662..e43b132 100644
--- a/alpine/Dockerfile
+++ b/alpine/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.11
+FROM alpine:3.13
 
 RUN apk add --no-cache \
 		ca-certificates \