diff --git a/Dockerfile b/Dockerfile
index e0f5a04..7ec6079 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:3.11.3 as build
 
-ENV SQUID_VER 4.10
+ENV SQUID_VER 5.0.1
 ENV SQUID_SIG_KEY B06884EDB779C89B044E64E3CD6DBF8EF3B17D3E
 
 RUN set -x && \