diff --git a/Dockerfile b/Dockerfile
index ee64d6a..f66da69 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,10 @@
 FROM alpine:3.12 as builder
 
-ARG ZT_VERSION=1.6.0
+ARG ZT_COMMIT=167645ba6da857dc11ac430b716a5fff8711a6c9
 
 RUN apk add --update alpine-sdk linux-headers \
-  && git clone --depth 1 --branch ${ZT_VERSION} https://github.com/zerotier/ZeroTierOne.git /src \
+  && git clone https://github.com/zerotier/ZeroTierOne.git /src \
+  && git -C src reset --hard ${ZT_COMMIT} \
   && cd /src \
   && make -f make-linux.mk