diff --git a/Dockerfile b/Dockerfile
index d20508e..1794fc6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,7 @@
 FROM python:2.7.11-alpine
 
+RUN apk update && apk add ca-certificates
+
 ADD . /sdk
 WORKDIR sdk
 RUN python setup.py install