diff --git a/src/dwas/_config.py b/src/dwas/_config.py
index 05596a5..5fe9525 100644
--- a/src/dwas/_config.py
+++ b/src/dwas/_config.py
@@ -232,8 +232,9 @@ def _get_color_setting(self, colors: bool | None) -> bool:
         # Check for CIs that were asked for, and enable colors by default
         # when it's possible. Do this towards the end to ensure other config
         # can override
-        if "GITHUB_ACTION" in os.environ:
-            return True
+        for ci_var in ["GITHUB_ACTION", "GITLAB_CI"]:
+            if ci_var in os.environ:
+                return True
 
         return self.is_interactive
 
diff --git a/tests/test_config.py b/tests/test_config.py
index c1dbd30..329b9e9 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -90,7 +90,7 @@ def test_can_enable_colors_with_force_color(monkeypatch, kwargs):
     assert conf.colors
 
 
-@pytest.mark.parametrize("ci_env_var", ("GITHUB_ACTION",))
+@pytest.mark.parametrize("ci_env_var", ("GITHUB_ACTION", "GITLAB_CI"))
 def test_enables_colors_on_cis_by_default(ci_env_var, kwargs, monkeypatch):
     monkeypatch.setenv(ci_env_var, "1")