diff --git a/global-requirement-pins.txt b/global-requirement-pins.txt
index cbd4c8026c..4c078d0a47 100644
--- a/global-requirement-pins.txt
+++ b/global-requirement-pins.txt
@@ -10,5 +10,5 @@
 ### These pins are updated through the sources-branch-updater script ###
 ###
 pip==9.0.1
-setuptools==36.2.0
+setuptools==33.1.1
 wheel==0.29.0
diff --git a/tox.ini b/tox.ini
index 661d0a9a3a..08bc9b1a41 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,7 +8,7 @@ envlist = linters,docs,releasenotes,inventory,py3-inventory
 usedevelop = True
 basepython = python2.7
 install_command =
-    pip install -c{toxinidir}/global-requirement-pins.txt -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt} {opts} {packages}
+    pip install -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt} {opts} {packages}
 deps =
     -r{toxinidir}/global-requirement-pins.txt
     -r{toxinidir}/test-requirements.txt