diff --git a/Dockerfile b/Dockerfile
index b0c4c32..1110a05 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,8 +4,7 @@ MAINTAINER Dan Sosedoff <dan.sosedoff@gmail.com>
 ENV PGWEB_VERSION 0.9.12
 
 RUN \
-  apk update && \
-  apk add --update ca-certificates openssl && \
+  apk add --no-cache ca-certificates openssl postgresql && \
   update-ca-certificates && \
   cd /tmp && \
   wget https://github.com/sosedoff/pgweb/releases/download/v$PGWEB_VERSION/pgweb_linux_amd64.zip && \
@@ -14,4 +13,4 @@ RUN \
   rm -f pgweb_linux_amd64.zip
 
 EXPOSE 8081
-CMD ["/usr/bin/pgweb", "--bind=0.0.0.0", "--listen=8081"]
\ No newline at end of file
+CMD ["/usr/bin/pgweb", "--bind=0.0.0.0", "--listen=8081"]