diff --git a/yelb-appserver/Dockerfile b/yelb-appserver/Dockerfile
index 026adb18..b68fdf7c 100644
--- a/yelb-appserver/Dockerfile
+++ b/yelb-appserver/Dockerfile
@@ -17,8 +17,11 @@ ENV RACK_ENV=production
 RUN gem install sinatra --no-document
 RUN gem install redis --no-document
 ### hack to allow the setup of the pg gem (which would fail otherwise)
-RUN apt-get update
+# RUN apt-get update
+# RUN apt-get install libpq-dev -y
+RUN apt-get clean && apt-get update
 RUN apt-get install libpq-dev -y
+
 ### end of hack (this would require additional research and optimization)
 RUN gem install pg --no-document
 ### this installs the AWS SDK for DynamoDB (so that appserver can talk to DDB Vs the default Postgres/Redis)