diff --git a/Dockerfile b/Dockerfile
index a3c1cae..6234260 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,6 +2,6 @@ FROM python:alpine
 
 RUN apk add --no-cache py3-pip py3-mysqlclient
 # requests needed for the weatherlink_live driver
-RUN python3 -m pip install requests weewx 
+RUN python3 -m pip install requests weewx cryptography
 
 ENTRYPOINT ["weewxd"]