diff --git a/ecs/Dockerfile b/ecs/Dockerfile
index ba03a85..8642b6e 100644
--- a/ecs/Dockerfile
+++ b/ecs/Dockerfile
@@ -34,7 +34,7 @@ RUN mkdir runtime \
     && cp -r /ejabberd/sql lib/ejabberd-*/priv
 
 # Runtime container
-FROM alpine:3.11
+FROM alpine:3.13
 ARG VERSION
 ARG VCS_REF
 ARG BUILD_DATE