diff --git a/.zuul.yaml b/.zuul.yaml
index 1f5674aacf..ea9fac14c7 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -4,7 +4,6 @@
       - openstack-python3-ussuri-jobs
       - periodic-stable-jobs
       - publish-openstack-docs-pti
-      - check-requirements
       - release-notes-jobs-python3
     check:
       jobs:
@@ -16,6 +15,8 @@
         - sahara-tests-tempest-v2
         - openstack-tox-cover:
             voting: false
+        - requirements-check:
+            nodeset: ubuntu-bionic
         - sahara-grenade
         - sahara-openstack-ansible-functional
     gate:
@@ -25,6 +26,8 @@
         - sahara-tests-scenario-v2
         - sahara-tests-tempest
         - sahara-tests-tempest-v2
+        - requirements-check:
+            nodeset: ubuntu-bionic
         - sahara-grenade
         - sahara-openstack-ansible-functional
     experimental:
diff --git a/lower-constraints.txt b/lower-constraints.txt
index d9a6d70192..bedb092095 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -32,14 +32,14 @@ eventlet==0.18.2
 extras==1.0.0
 fasteners==0.14.1
 fixtures==3.0.0
-flake8==2.6.2
+flake8==3.6.0
 Flask==1.0.2
 future==0.16.0
 futurist==1.6.0
 gitdb2==2.0.3
 GitPython==2.1.8
 greenlet==0.4.13
-hacking==1.1.0
+hacking==3.0.0
 idna==2.6
 imagesize==1.0.0
 iso8601==0.1.11
@@ -55,8 +55,8 @@ kombu==4.1.0
 linecache2==1.0.0
 logilab-common==1.4.1
 Mako==1.0.7
-MarkupSafe==1.0
-mccabe==0.2.1
+MarkupSafe==1.1
+mccabe==0.6.0
 microversion-parse==0.2.1
 mock==2.0.0
 monotonic==1.4
@@ -100,7 +100,7 @@ pyasn1==0.4.2
 pycadf==2.7.0
 pycparser==2.18
 pycodestyle==2.4.0
-pyflakes==0.8.1
+pyflakes==2.0.0
 Pygments==2.2.0
 pyinotify==0.9.6
 pylint==1.4.5
@@ -157,7 +157,7 @@ unittest2==1.1.0
 urllib3==1.22
 vine==1.1.4
 voluptuous==0.11.1
-warlock==1.3.0
+warlock==1.1.0
 WebOb==1.7.1
 Werkzeug==0.14.1
 wrapt==1.10.11
diff --git a/tox.ini b/tox.ini
index f2690631fd..818b966cd1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -60,6 +60,7 @@ commands = {posargs}
 [testenv:docs]
 deps =
   -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/ussuri}
+  -r{toxinidir}/requirements.txt
   -r{toxinidir}/doc/requirements.txt
 commands =
     rm -rf doc/html doc/build