diff --git a/tox.ini b/tox.ini
index 7eae948..c3562e6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -30,13 +30,13 @@
 sitepackages = True
 setenv = VIRTUAL_ENV={envdir}
 commands =
-  sh tools/pretty_tox_serial.sh '{posargs} tempest.api tempest.scenario tempest.thirdparty tempest.cli'
+  sh tools/pretty_tox_serial.sh '(?!.*\[.*\bslow\b.*\])(^tempest\.(api|scenario|thirdparty|cli)) {posargs}'
 
 [testenv:testr-full]
 sitepackages = True
 setenv = VIRTUAL_ENV={envdir}
 commands =
-  sh tools/pretty_tox.sh 'tempest.api tempest.scenario tempest.thirdparty tempest.cli {posargs}'
+  sh tools/pretty_tox.sh '(?!.*\[.*\bslow\b.*\])(^tempest\.(api|scenario|thirdparty|cli)) {posargs}'
 
 [testenv:smoke]
 sitepackages = True