From 0e8be5e57d0474cbc70424a0e6481d1cf862c994 Mon Sep 17 00:00:00 2001
From: Paolo Asperti <paolo@asperti.com>
Date: Sun, 12 Dec 2021 12:40:01 +0100
Subject: [PATCH] OS upgrade

---
 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index 5c6f7e6..c026075 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.9
+FROM alpine:3.15
 
 RUN apk -U add asterisk