diff --git a/rapidjson.cpp b/rapidjson.cpp
index 40ce8fa..e0b6b27 100644
--- a/rapidjson.cpp
+++ b/rapidjson.cpp
@@ -3,7 +3,7 @@
 // :Author:    Ken Robbins <ken@kenrobbins.com>
 // :License:   MIT License
 // :Copyright: © 2015 Ken Robbins
-// :Copyright: © 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 Lele Gaifax
+// :Copyright: © 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 Lele Gaifax
 //
 
 #include <locale.h>
@@ -4117,6 +4117,9 @@ module_exec(PyObject* m)
 
 static struct PyModuleDef_Slot slots[] = {
     {Py_mod_exec, (void*) module_exec},
+#ifdef Py_GIL_DISABLED
+    {Py_mod_gil, Py_MOD_GIL_NOT_USED},
+#endif
     {0, NULL}
 };
 
diff --git a/tests/test_circular.py b/tests/test_circular.py
index 89e15b3..1a64935 100644
--- a/tests/test_circular.py
+++ b/tests/test_circular.py
@@ -3,7 +3,7 @@
 # :Author:    John Anderson <sontek@gmail.com>
 # :License:   MIT License
 # :Copyright: © 2015 John Anderson
-# :Copyright: © 2017, 2018, 2020, 2023, 2024 Lele Gaifax
+# :Copyright: © 2017, 2018, 2020, 2023, 2024, 2025 Lele Gaifax
 #
 
 import sys
@@ -74,6 +74,10 @@ def test_max_recursion_depth(dumps):
             sys.setrecursionlimit(rl)
 
 
+@pytest.mark.skipif(
+    not sys._is_gil_enabled(),
+    reason="Crashes under free-threaded variant, perhaps getrecursionlimit() works differently there?"
+)
 def test_parse_respects_recursion_limit(loads):
     rl = sys.getrecursionlimit()
 
diff --git a/tests/test_memory_leaks.py b/tests/test_memory_leaks.py
index 51b5a55..1205fd7 100644
--- a/tests/test_memory_leaks.py
+++ b/tests/test_memory_leaks.py
@@ -9,10 +9,15 @@
 import io
 import datetime
 import gc
+import sys
 
 import pytest
 import rapidjson as rj
 
+pytestmark = pytest.mark.skipif(
+    not sys._is_gil_enabled(),
+    reason="Crashes under free-threaded variant, perhaps tracemalloc does not work there?"
+)
 tracemalloc = pytest.importorskip("tracemalloc")