diff --git a/.zuul.yaml b/.zuul.yaml
index 6a0d736f..92d4610c 100644
--- a/.zuul.yaml
+++ b/.zuul.yaml
@@ -9,7 +9,7 @@
         - openstack-tox-linters
         - nfv-tox-pep8
         - nfv-tox-py27
-        - nfv-tox-py35
+        - nfv-tox-py37
         - nfv-tox-pylint
         - nova-api-proxy-tox-pep8
         - nova-api-proxy-tox-pylint
@@ -22,7 +22,7 @@
         - openstack-tox-linters
         - nfv-tox-pep8
         - nfv-tox-py27
-        - nfv-tox-py35
+        - nfv-tox-py37
         - nfv-tox-pylint
         - nova-api-proxy-tox-pep8
         - nova-api-proxy-tox-pylint
@@ -43,14 +43,16 @@
       tox_extra_args: -c nfv/tox.ini
 
 - job:
-    name: nfv-tox-py35
+    name: nfv-tox-py37
     parent: tox
-    description: Run py35 for nfv
+    description: Run py37 for nfv
     required-projects:
       - openstack/stx-fault
     vars:
-      tox_envlist: py35
+      tox_envlist: py37
       tox_extra_args: -c nfv/tox.ini
+      bindep_profile: test py37
+      python_version: 3.7
 
 - job:
     name: nfv-tox-pep8
diff --git a/nfv/tox.ini b/nfv/tox.ini
index 0d76b63c..e652a5e9 100755
--- a/nfv/tox.ini
+++ b/nfv/tox.ini
@@ -16,7 +16,7 @@ stxdir = {toxinidir}/../..
 
 [testenv]
 recreate = True
-install_command = pip install -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt?h=stable/queens} {opts} {packages}
+install_command = pip install -c{env:UPPER_CONSTRAINTS_FILE:https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt} {opts} {packages}
 whitelist_externals = cp
 
 [nfv]
@@ -81,7 +81,7 @@ enable-extensions = H106,H203
 max-line-length = 84
 
 [testenv:pep8]
-basepython = python3.5
+basepython = python3
 usedevelop = False
 skip_install = True
 deps = -r{toxinidir}/test-requirements.txt
@@ -133,8 +133,8 @@ commands = cp -v {[nfv]nfv_base_dir}/nfv-tests/nfv_unit_tests/test_data/nfv_vim_
            stestr --test-path={[nfv]nfv_base_dir}/nfv-tests/nfv_unit_tests/tests run '{posargs}'
            stestr slowest
 
-[testenv:py35]
-basepython = python3.5
+[testenv:py37]
+basepython = python3.7
 deps = {[nfv]deps}
        coverage
        fixtures