diff --git a/builds/runtimes/python-2.5.3 b/builds/runtimes/python-2.5.3
index 7ff33b4..6479240 100755
--- a/builds/runtimes/python-2.5.3
+++ b/builds/runtimes/python-2.5.3
@@ -4,15 +4,13 @@
 
 OUT_PREFIX=$1
 
+source ./download_python
+download_python "2.5.3"
+
 # Protect 2.5 builds from parent Python (causes segfault during build).
 unset LANG PYTHONHOME PYTHONPATH
 
-echo "Building Python..."
-SOURCE_TARBALL='http://python.org/ftp/python/2.5.3/Python-2.5.3.tgz'
-curl -L $SOURCE_TARBALL | tar xz
-mv Python-2.5.3 src
 cd src
-
 ./configure --prefix=$OUT_PREFIX
 make
 make install