diff --git a/test-requirements.txt b/test-requirements.txt
index 9c754489a8..e2b8b85004 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -21,7 +21,7 @@ testscenarios>=0.4 # Apache-2.0/BSD
 testtools>=2.2.0 # MIT
 psutil>=3.2.2 # BSD
 oslotest>=3.2.0 # Apache-2.0
-os-testr>=1.0.0 # Apache-2.0
+stestr>=2.0.0 # Apache-2.0
 doc8>=0.6.0 # Apache-2.0
 
 # Optional packages that should be installed when testing
diff --git a/tox.ini b/tox.ini
index 27c3f7728f..28aed788ba 100644
--- a/tox.ini
+++ b/tox.ini
@@ -28,19 +28,19 @@ whitelist_externals = bash
 passenv = *_proxy *_PROXY
 
 [testenv:py27]
-commands = ostestr --slowest {posargs}
+commands = stestr run --slowest {posargs}
 
 [testenv:py35]
 basepython = python3.5
-commands = ostestr --slowest {posargs}
+commands = stestr run --slowest {posargs}
 
 [testenv:py36]
 basepython = python3.6
-commands = ostestr --slowest {posargs}
+commands = stestr run --slowest {posargs}
 
 [testenv:py37]
 basepython = python3.7
-commands = ostestr --slowest {posargs}
+commands = stestr run --slowest {posargs}
 
 [testenv:functional]
 setenv =