diff --git a/testing/test_faulthandler.py b/testing/test_faulthandler.py
index 49ade6e5d..7580f6f2f 100644
--- a/testing/test_faulthandler.py
+++ b/testing/test_faulthandler.py
@@ -56,9 +56,9 @@ def test_timeout(testdir, enabled):
     """
     testdir.makepyfile(
         """
-    import time
+    import os, time
     def test_timeout():
-        time.sleep(0.1)
+        time.sleep(1 if "CI" in os.environ else 0.1)
     """
     )
     testdir.makeini(