diff --git a/extras/build_release.sh b/extras/build_release.sh
index 2230685e8..57873b12e 100755
--- a/extras/build_release.sh
+++ b/extras/build_release.sh
@@ -6,8 +6,8 @@
 hg purge --all
 
 # build packages
-#version=$(python -c "import scrapy; print scrapy.__version__")
-#python setup.py sdist
+version=$(python -c "import scrapy; print scrapy.__version__")
+python setup.py sdist
 # FIXME: bdist_wininst doesn't work on Unix (it doesn't include the data_files)
 # To build the win32 release you need to use Windows for now.
 #python setup.py bdist_wininst -t "Scrapy $version" -p "win32"