Bump the minimum jsonschema-specifications/rpds versions to avoid #1059v4.18.0a2

This should re-enable validating from a thread other than the one that
originall imported jsonschema.

3 files changed, 39 insertions, 11 deletions

diff --git a/docs/requirements.txt b/docs/requirements.txt
index 0db48a3..17e8c28 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -14,7 +14,7 @@ attrs==22.2.0
     #   referencing
 babel==2.12.1
     # via sphinx
-beautifulsoup4==4.11.2
+beautifulsoup4==4.12.0
     # via furo
 certifi==2022.12.7
     # via requests
@@ -26,7 +26,7 @@ cycler==0.11.0
     # via matplotlib
 docutils==0.19
     # via sphinx
-fonttools==4.39.0
+fonttools==4.39.2
     # via matplotlib
 furo==2022.12.7
     # via -r docs/requirements.in
@@ -40,7 +40,7 @@ jinja2==3.1.2
     #   sphinx-autoapi
 file:.#egg=jsonschema
     # via -r docs/requirements.in
-jsonschema-specifications==2023.3.4
+jsonschema-specifications==2023.3.5
     # via jsonschema
 kiwisolver==1.4.4
     # via matplotlib
@@ -76,13 +76,13 @@ python-dateutil==2.8.2
     # via matplotlib
 pyyaml==6.0
     # via sphinx-autoapi
-referencing==0.24.4
+referencing==0.25.0
     # via
     #   jsonschema
     #   jsonschema-specifications
 requests==2.28.2
     # via sphinx
-rpds-py==0.6.1
+rpds-py==0.7.0
     # via
     #   jsonschema
     #   referencing
diff --git a/jsonschema/tests/test_validators.py b/jsonschema/tests/test_validators.py
index 8afdbe4..a9b7f6a 100644
--- a/jsonschema/tests/test_validators.py
+++ b/jsonschema/tests/test_validators.py
@@ -2115,6 +2115,37 @@ class TestValidate(TestCase):
         self.assertIn("12 is less than the minimum of 20", str(e.exception))
 
 
+class TestThreading(TestCase):
+    """
+    Threading-related functionality tests.
+
+    jsonschema doesn't promise thread safety, and its validation behavior
+    across multiple threads may change at any time, but that means it isn't
+    safe to share *validators* across threads, not that anytime one has
+    multiple threads that jsonschema won't work (it certainly is intended to).
+
+    These tests ensure that this minimal level of functionality continues to
+    work.
+    """
+
+    def test_validation_across_a_second_thread(self):
+        failed = []
+
+        def validate():
+            try:
+                validators.validate(instance=37, schema=True)
+            except:  # noqa: E722, pragma: no cover
+                failed.append(sys.exc_info())
+
+        validate()  # just verify it succeeds
+
+        from threading import Thread
+        thread = Thread(target=validate)
+        thread.start()
+        thread.join()
+        self.assertEqual((thread.is_alive(), failed), (False, []))
+
+
 class TestRefResolver(TestCase):
 
     base_uri = ""
diff --git a/pyproject.toml b/pyproject.toml
index 784ada3..d9e4097 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,12 +32,9 @@ dynamic = ["version", "readme"]
 
 dependencies = [
   "attrs>=22.2.0",
-  "jsonschema-specifications>=2023.03.4",
-  "referencing>=0.24.4",
-  "rpds-py>=0.6.1",
-
-  "importlib_metadata;python_version<'3.8'",
-  "typing_extensions;python_version<'3.8'",
+  "jsonschema-specifications>=2023.03.5",
+  "referencing>=0.25.0",
+  "rpds-py>=0.7.0",
 
   "importlib_resources>=1.4.0;python_version<'3.9'",
   "pkgutil_resolve_name>=1.3.10;python_version<'3.9'",