diff --git a/script/install-dependencies/debian-wheezy.sh b/script/install-dependencies/debian-wheezy.sh
index 79ef531..462e69b 100644
--- a/script/install-dependencies/debian-wheezy.sh
+++ b/script/install-dependencies/debian-wheezy.sh
@@ -51,6 +51,7 @@ EOF
 fi
 
 run sudo apt-get update
+run sudo apt-get -qy dist-upgrade
 
 run sudo apt-get -y install dctrl-tools
 
--
libgit2 0.21.2