diff --git a/tools/integration.sh b/tools/integration.sh
index 39e49e3222..d8818e3b73 100644
--- a/tools/integration.sh
+++ b/tools/integration.sh
@@ -5,7 +5,7 @@ function mkvenv {
 
     rm -rf $venv
     virtualenv $venv
-    $venv/bin/pip install -U pip wheel
+    $venv/bin/pip install -U pip wheel pbr
 }
 
 function install_all_of_gr {