diff --git a/script/install-dependencies/debian-wheezy.sh b/script/install-dependencies/debian-wheezy.sh
index 462e69b..c1348ef 100644
--- a/script/install-dependencies/debian-wheezy.sh
+++ b/script/install-dependencies/debian-wheezy.sh
@@ -50,6 +50,13 @@ FPQAoNmiMgP6zGF9rgOEWMEiFEryayrz
 EOF
 fi
 
+if test -f tmp/debian/Release.gpg; then
+  echo "deb file://$(pwd)/tmp/debian/ ./" | sudo tee /etc/apt/sources.list.d/local.list
+  sudo apt-key add tmp/debian/signing-key.asc
+else
+  rm -f /etc/apt/sources.list.d/local.list
+fi
+
 run sudo apt-get update
 run sudo apt-get -qy dist-upgrade
 
--
libgit2 0.21.2