diff --git a/tests/samples/codefiles/go.mod b/tests/samples/codefiles/go.mod
new file mode 100644
index 0000000..e69de29
diff --git a/tests/test_languages.py b/tests/test_languages.py
index c94e317..b274386 100644
--- a/tests/test_languages.py
+++ b/tests/test_languages.py
@@ -274,3 +274,9 @@ class LanguagesTestCase(utils.TestCase):
             expected_language='JavaScript',
             entity='javascript_module.mjs',
         )
+
+    def test_go_mod_detected(self):
+        self.shared(
+            expected_language='Go',
+            entity='go.mod',
+        )
diff --git a/wakatime/stats.py b/wakatime/stats.py
index 3b36e0d..8abf5df 100644
--- a/wakatime/stats.py
+++ b/wakatime/stats.py
@@ -169,6 +169,10 @@ def get_language_from_extension(file_name):
     """
 
     filepart, extension = os.path.splitext(file_name)
+    pathpart, filename = os.path.split(file_name)
+
+    if filename == 'go.mod':
+        return 'Go'
 
     if re.match(r'\.h.*$', extension, re.IGNORECASE) or re.match(r'\.c.*$', extension, re.IGNORECASE):