diff --git a/Dockerfile b/Dockerfile
index 61c8bf0..450b91a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 ARG ALPINE_IMAGE=alpine
 ARG ALPINE_VERSION=edge
-ARG ZT_COMMIT=1f73ab4b0559777cb641ab094735ae377941ec23
-ARG ZT_VERSION=1.8.5
+ARG ZT_COMMIT=6bfaaaa557adf20fb09182f9d67829961b96248e
+ARG ZT_VERSION=1.8.6
 
 FROM ${ALPINE_IMAGE}:${ALPINE_VERSION} as builder