diff --git a/Dockerfile b/Dockerfile
index 013c884..50440d2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -21,7 +21,7 @@ RUN echo "deb http://download.zerotier.com/debian/stretch stretch main" > /etc/a
 
 # Leenooks Utils
 RUN apt-get update \
-    && apt-get install -yqq --allow-unauthenticated makenl zerotier-one \
+    && apt-get install -yqq --allow-unauthenticated makenl zerotier-one=1.4.0 \
     && apt-get -y autoremove \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*