diff --git a/devstack-vm-gate.sh b/devstack-vm-gate.sh
index 0765995f..8b3fb9c9 100755
--- a/devstack-vm-gate.sh
+++ b/devstack-vm-gate.sh
@@ -111,6 +111,8 @@ VIRT_DRIVER=$DEVSTACK_GATE_VIRT_DRIVER
 SWIFT_REPLICAS=1
 LOG_COLOR=False
 PIP_USE_MIRRORS=False
+# Don't reset the requirements.txt files after g-r updates
+UNDO_REQUIREMENTS=False
 CINDER_PERIODIC_INTERVAL=10
 export OS_NO_CACHE=True
 EOF