diff --git a/tox.ini b/tox.ini
index 91bb90e..f13faf0 100644
--- a/tox.ini
+++ b/tox.ini
@@ -31,7 +31,7 @@ commands =
 # Tests for splinter implementation
 [testenv:{py38, py39, py310, py311}-splinter]
 package=wheel
-passenv = USE_SAUCE_LABS,GITHUB_RUN_ID
+passenv = USE_SAUCE_LABS,GITHUB_RUN_ID,SAUCE_USERNAME,SAUCE_ACCESS_KEY
 deps = -rrequirements/tests.txt
 commands =
     py.test -s -vv -n 4 {posargs} --splinter-remote-name=firefox --cov={envsitepackagesdir}/stere --cov-append tests/splinter
@@ -40,7 +40,7 @@ commands =
 # Tests for appium implementation
 [testenv:{py38, py39, py310, py311}-appium]
 package=wheel
-passenv = USE_SAUCE_LABS,GITHUB_RUN_ID
+passenv = USE_SAUCE_LABS,GITHUB_RUN_ID,SAUCE_USERNAME,SAUCE_ACCESS_KEY
 deps = -rrequirements/tests.txt
 commands =
     py.test -s -vv {posargs} --browser-name=ios --cov={envsitepackagesdir}/stere --cov-append tests/appium