diff --git a/scripts/sync_test_dependencies.py b/scripts/sync_test_dependencies.py
index 498d08c9e..6da3dbf66 100644
--- a/scripts/sync_test_dependencies.py
+++ b/scripts/sync_test_dependencies.py
@@ -34,9 +34,9 @@
 PYPROJECT_FILE = Path("pyproject.toml")
 DEV_EXTRA = "dev"
 
-# Stdlib modules that don't need to be installed (keep in sync with
-# tests/test_dependency_enforcement.py)
-STDLIB_MODULES = {
+# Stdlib modules that don't need to be installed. Prefer Python's runtime
+# inventory and keep a fallback for older runtimes/consumer scripts.
+_FALLBACK_STDLIB_MODULES = {
     "abc",
     "argparse",
     "ast",
@@ -55,6 +55,8 @@
     "gc",
     "glob",
     "hashlib",
+    "html",
+    "http",
     "importlib",
     "inspect",
     "io",
@@ -73,6 +75,7 @@
     "runpy",
     "shlex",
     "shutil",
+    "secrets",
     "signal",
     "sitecustomize",
     "socket",
@@ -104,6 +107,7 @@
     "traceback",
     "pprint",
 }
+STDLIB_MODULES = set(getattr(sys, "stdlib_module_names", ())) | _FALLBACK_STDLIB_MODULES
 
 # Known test framework modules
 TEST_FRAMEWORK_MODULES = {
@@ -224,6 +228,7 @@ def get_project_modules() -> set[str]:
     "PIL": "Pillow",
     "sklearn": "scikit-learn",
     "cv2": "opencv-python",
+    "jwt": "PyJWT",
     "pre_commit": "pre-commit",
     "pptx": "python-pptx",
 }
diff --git a/templates/consumer-repo/scripts/sync_test_dependencies.py b/templates/consumer-repo/scripts/sync_test_dependencies.py
index 2c4beddba..6da3dbf66 100644
--- a/templates/consumer-repo/scripts/sync_test_dependencies.py
+++ b/templates/consumer-repo/scripts/sync_test_dependencies.py
@@ -34,9 +34,9 @@
 PYPROJECT_FILE = Path("pyproject.toml")
 DEV_EXTRA = "dev"
 
-# Stdlib modules that don't need to be installed (keep in sync with
-# tests/test_dependency_enforcement.py)
-STDLIB_MODULES = {
+# Stdlib modules that don't need to be installed. Prefer Python's runtime
+# inventory and keep a fallback for older runtimes/consumer scripts.
+_FALLBACK_STDLIB_MODULES = {
     "abc",
     "argparse",
     "ast",
@@ -55,6 +55,8 @@
     "gc",
     "glob",
     "hashlib",
+    "html",
+    "http",
     "importlib",
     "inspect",
     "io",
@@ -73,6 +75,7 @@
     "runpy",
     "shlex",
     "shutil",
+    "secrets",
     "signal",
     "sitecustomize",
     "socket",
@@ -96,6 +99,7 @@
     "weakref",
     "xml",
     "zipfile",
+    "zlib",
     "__future__",
     "dataclasses",
     "enum",
@@ -103,6 +107,7 @@
     "traceback",
     "pprint",
 }
+STDLIB_MODULES = set(getattr(sys, "stdlib_module_names", ())) | _FALLBACK_STDLIB_MODULES
 
 # Known test framework modules
 TEST_FRAMEWORK_MODULES = {
@@ -223,6 +228,7 @@ def get_project_modules() -> set[str]:
     "PIL": "Pillow",
     "sklearn": "scikit-learn",
     "cv2": "opencv-python",
+    "jwt": "PyJWT",
     "pre_commit": "pre-commit",
     "pptx": "python-pptx",
 }
diff --git a/tests/scripts/test_sync_test_dependencies.py b/tests/scripts/test_sync_test_dependencies.py
index cb1f87f09..f7d99cf65 100644
--- a/tests/scripts/test_sync_test_dependencies.py
+++ b/tests/scripts/test_sync_test_dependencies.py
@@ -218,6 +218,44 @@ def test_find_missing_dependencies_ignores_local_and_mapped_modules(
     assert std.find_missing_dependencies() == {"pandas"}
 
 
+def test_find_missing_dependencies_ignores_reviewed_stdlib_and_maps_jwt(
+    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
+) -> None:
+    pyproject = tmp_path / "pyproject.toml"
+    pyproject.write_text(
+        "\n".join(
+            [
+                "[project.optional-dependencies]",
+                "dev = [",
+                '  "PyJWT[crypto]",',
+                "]",
+            ]
+        )
+        + "\n",
+        encoding="utf-8",
+    )
+    tests_dir = tmp_path / "tests"
+    tests_dir.mkdir()
+    (tests_dir / "test_reviewed_imports.py").write_text(
+        "\n".join(
+            [
+                "import html",
+                "from http.server import BaseHTTPRequestHandler",
+                "import secrets",
+                "import jwt",
+                "import pandas",
+            ]
+        )
+        + "\n",
+        encoding="utf-8",
+    )
+
+    monkeypatch.chdir(tmp_path)
+    monkeypatch.setattr(std, "PYPROJECT_FILE", pyproject)
+
+    assert std.find_missing_dependencies() == {"pandas"}
+
+
 def test_detect_local_project_modules_skips_missing_source_dir(
     tmp_path: Path, monkeypatch: pytest.MonkeyPatch
 ) -> None:
diff --git a/tests/scripts/test_sync_test_dependencies_mapping.py b/tests/scripts/test_sync_test_dependencies_mapping.py
index c722748c6..f5367e247 100644
--- a/tests/scripts/test_sync_test_dependencies_mapping.py
+++ b/tests/scripts/test_sync_test_dependencies_mapping.py
@@ -13,19 +13,23 @@ def _load_module(module_name: str, path: Path):
     return module
 
 
-def test_pptx_maps_to_python_pptx_in_repo_script():
+def test_import_exceptions_map_to_package_names_in_repo_script():
     module = _load_module(
         "sync_test_dependencies_repo",
         Path("scripts/sync_test_dependencies.py"),
     )
 
     assert module.MODULE_TO_PACKAGE["pptx"] == "python-pptx"
+    assert module.MODULE_TO_PACKAGE["jwt"] == "PyJWT"
+    assert {"html", "http", "secrets"}.issubset(module.STDLIB_MODULES)
 
 
-def test_pptx_maps_to_python_pptx_in_consumer_template():
+def test_import_exceptions_map_to_package_names_in_consumer_template():
     module = _load_module(
         "sync_test_dependencies_consumer_template",
         Path("templates/consumer-repo/scripts/sync_test_dependencies.py"),
     )
 
     assert module.MODULE_TO_PACKAGE["pptx"] == "python-pptx"
+    assert module.MODULE_TO_PACKAGE["jwt"] == "PyJWT"
+    assert {"html", "http", "secrets"}.issubset(module.STDLIB_MODULES)