diff --git a/seleniumbase/__version__.py b/seleniumbase/__version__.py
index 7cd5ef0f256..b219126d2d0 100755
--- a/seleniumbase/__version__.py
+++ b/seleniumbase/__version__.py
@@ -1,2 +1,2 @@
 # seleniumbase package
-__version__ = "4.21.2"
+__version__ = "4.21.3"
diff --git a/seleniumbase/fixtures/base_case.py b/seleniumbase/fixtures/base_case.py
index afcbe0038b9..e46952ea14f 100644
--- a/seleniumbase/fixtures/base_case.py
+++ b/seleniumbase/fixtures/base_case.py
@@ -15563,8 +15563,10 @@ def _get_browser_version(self):
             return "(Unknown Version)"
         if "version" in driver_capabilities:
             browser_version = driver_capabilities["version"]
-        else:
+        elif "browserVersion" in drivere_capabilities:
             browser_version = driver_capabilities["browserVersion"]
+        else:
+            browser_version = "(Unknown Version)"
         return browser_version
 
     def _get_driver_name_and_version(self):