diff --git a/builds/libraries/vendor/proj b/builds/libraries/vendor/proj
index 5fd68dcd24d8d78a32f71596f9fe4c7964605783..a22e779b3ec1d861eeed75fdb66c9e59b110fec7 100755
--- a/builds/libraries/vendor/proj
+++ b/builds/libraries/vendor/proj
@@ -10,14 +10,15 @@ hash -r
 
 echo "Building gdal..."
 
-SOURCE_TARBALL='http://download.osgeo.org/proj/proj-4.8.0.tar.gz'
+VERSION=4.9.3
+SOURCE_TARBALL="http://download.osgeo.org/proj/proj-${VERSION}.tar.gz"
 
 curl -L $SOURCE_TARBALL | tar zx
 
-cd proj-4.8.0
-./configure --prefix=$OUT_PREFIX --enable-static=no &&
+pushd "proj-${VERSION}"
+./configure --prefix=$OUT_PREFIX --enable-static=no
 make
 make install
 
 # Cleanup
-cd ..
+popd