diff --git a/gating/gating_vars.sh b/gating/gating_vars.sh
index 0abe023ed..df1b68c3a 100644
--- a/gating/gating_vars.sh
+++ b/gating/gating_vars.sh
@@ -10,3 +10,8 @@ export RE_HOOK_ARTIFACT_DIR="${RE_HOOK_ARTIFACT_DIR:-/tmp/artifacts}"
 export RE_HOOK_RESULT_DIR="${RE_HOOK_RESULT_DIR:-/tmp/results}"
 export RE_JOB_NAME="${RE_JOB_NAME:-${RE_JOB_TRIGGER}_rpc-openstack-master-${RE_JOB_IMAGE}_no_artifacts-${RE_JOB_SCENARIO}-${RE_JOB_ACTION}}"
 export RE_JOB_PROJECT_NAME="${RE_JOB_PROJECT_NAME:-}"
+
+# OSA Tests SHA
+# These variables pin the SHA for the OSA Testing repository
+export OSA_TEST_RELEASE=${OSA_TEST_RELEASE:-d90acf00b639496cd0669153534fe5588875f3ee}
+export OSA_UPPER_CONSTRAINTS=${OSA_UPPER_CONSTRAINTS:-377fde64ac16dc94da2e29e16a4102adcc081a6e}
diff --git a/tox.ini b/tox.ini
index fab675b5b..70397b2cc 100644
--- a/tox.ini
+++ b/tox.ini
@@ -30,8 +30,9 @@ setenv =
     # NOTE(cloudnull): This should be set to "master" as soon the gate is capable of
     #                  setting this option.
     OSA_RELEASE_BRANCH={env:OSA_RELEASE_BRANCH:master}
-    OSA_TEST_RELEASE=master
-    UPPER_CONSTRAINTS_FILE=https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt?h={env:OSA_TEST_RELEASE:master}
+    OSA_TEST_RELEASE={env:OSA_TEST_RELEASE:master}
+    OSA_UPPER_CONSTRAINTS={env:OSA_UPPER_CONSTRAINTS:master}
+    UPPER_CONSTRAINTS_FILE=https://git.openstack.org/cgit/openstack/requirements/plain/upper-constraints.txt?h={env:OSA_UPPER_CONSTRAINTS:master}
     OSA_TEST_DEPS=https://git.openstack.org/cgit/openstack/openstack-ansible-tests/plain/test-ansible-deps.txt?h={env:OSA_TEST_RELEASE:master}
     OSA_ROLE_REQUIREMENTS=https://git.openstack.org/cgit/openstack/openstack-ansible/plain/ansible-role-requirements.yml?h={env:OSA_RELEASE_BRANCH:master}
 basepython = python2.7
@@ -90,6 +91,11 @@ commands =
                pushd {toxinidir}/tests/common; \
                  git checkout {env:OSA_TEST_RELEASE:master}; \
                popd; \
+             else \
+               pushd {toxinidir}/tests/common; \
+                 git fetch origin; \
+                 git checkout {env:OSA_TEST_RELEASE:master}; \
+               popd; \
              fi"