diff --git a/Dockerfile b/Dockerfile
index 581198a..c889085 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.11
+FROM alpine:3.12
 
 LABEL maintainer="Robert Kaussow <mail@geeklabor.de>" \
     org.label-schema.name="nginx" \