diff --git a/test-requirements.txt b/test-requirements.txt
index 6b97cf9a..c9af6856 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -11,7 +11,7 @@ fixtures>=3.0.0 # Apache-2.0/BSD
 coverage!=4.4,>=4.0 # Apache-2.0
 mock>=2.0.0 # BSD
 oslotest>=3.2.0 # Apache-2.0
-os-testr>=1.0.0 # Apache-2.0
+stestr>=1.0.0 # Apache-2.0
 simplejson>=3.5.1 # MIT
 
 # documentation
diff --git a/tox.ini b/tox.ini
index d2d0ca62..e715abe4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -19,21 +19,20 @@ deps =
   -r{toxinidir}/requirements.txt
 commands =
   find ./ -type f -name '*.pyc' -delete
-  rm -Rf .testrepository/times.dbm
 
 [testenv:py27]
 description = Runs unit test using Python2.7
 basepython = python2.7
 commands =
   {[testenv]commands}
-  ostestr {posargs}
+  stestr run {posargs}
 
 [testenv:py35]
 description = Runs unit test using Python3.5
 basepython = python3.5
 commands =
   {[testenv]commands}
-  ostestr {posargs}
+  stestr run {posargs}
 
 [testenv:cover]
 description = Calculates code coverage