diff --git a/oracle-java7/Dockerfile b/oracle-java7/Dockerfile
index edf159f..251d9ad 100644
--- a/oracle-java7/Dockerfile
+++ b/oracle-java7/Dockerfile
@@ -6,7 +6,7 @@
 #
 
 # Pull base image.
-FROM dockerfile/ubuntu
+FROM lingya/base-ubuntu
 
 # Install Java.
 RUN \
@@ -16,7 +16,12 @@ RUN \
   apt-get install -y oracle-java7-installer && \
   rm -rf /var/lib/apt/lists/* && \
   rm -rf /var/cache/oracle-jdk7-installer
-
+  
+RUN apt-get install -qq -y \
+    python2.7-dev \
+    pypy-dev
+run apt-get clean && \
+    rm -rf /var/cache/apt/archives/* /var/lib/apt/lists/*
 # Define working directory.
 WORKDIR /data