diff --git a/tox.ini b/tox.ini
index 091642b..2f1e02c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -15,9 +15,12 @@ deps =
     camoufox
     -r{toxinidir}/tests/requirements.txt
 commands =
-    # Test async tests without parallelization to escape Github CI issues with nested loops
-    pytest --cov=scrapling --cov-report=xml -m "asyncio" --verbose
-    pytest --cov=scrapling --cov-report=xml -m "not asyncio" -n auto --cov-append
+    # Run browser tests without parallelization (avoid browser conflicts)
+    pytest --cov=scrapling --cov-report=xml -k "DynamicFetcher or StealthyFetcher" --verbose
+    # Run asyncio tests without parallelization (avoid GitHub CI nested loop issues)
+    pytest --cov=scrapling --cov-report=xml -m "asyncio" -k "not (DynamicFetcher or StealthyFetcher)" --verbose --cov-append
+    # Run everything else with parallelization (for speed)
+    pytest --cov=scrapling --cov-report=xml -m "not asyncio" -k "not (DynamicFetcher or StealthyFetcher)" -n auto --cov-append
 
 [testenv:pre-commit]
 basepython = python3