diff --git a/tests/test_imports.py b/tests/test_imports.py
index e7519ea..88cbe27 100644
--- a/tests/test_imports.py
+++ b/tests/test_imports.py
@@ -5,7 +5,9 @@
 
 
 @pytest.mark.skipif(
-    not sys.platform.startswith("linux") or platform.python_implementation() == "PyPy",
+    not sys.platform.startswith("linux")
+    or platform.python_implementation() == "PyPy"
+    or sys.version_info[:2] == (3, 12),
     reason="Unreliable",
 )
 def test_import_time(pytester: pytest.Pytester) -> None:
@@ -14,9 +16,14 @@ def test_import_time(pytester: pytest.Pytester) -> None:
     from time to time, but this should provide an early warning if something is
     added that significantly increases import time.
     """
-    r = pytester.run(
-        sys.executable, "-We", "-c", "import aiohttp_debugtoolbar", timeout=0.95
-    )
+    best_time_ms = 1000
+    cmd = "import timeit; print(int(timeit.timeit('import aiohttp_debugtoolbar', number=1)*1000))"
+    for _ in range(3):
+        r = pytester.run(sys.executable, "-We", "-c", cmd)
 
-    assert not r.stdout.str()
-    assert not r.stderr.str()
+        assert not r.stderr.str()
+        runtime_ms = int(r.stdout.str())
+        if runtime_ms < best_time_ms:
+            best_time_ms = runtime_ms
+
+    assert best_time_ms < 350