diff --git a/.github/workflows/test-dependency-installs.yml b/.github/workflows/test-dependency-installs.yml
index 0a72e302ea8..4ac014a9ddd 100644
--- a/.github/workflows/test-dependency-installs.yml
+++ b/.github/workflows/test-dependency-installs.yml
@@ -167,8 +167,9 @@ jobs:
       with:
         name: mcp-dependency-coverage
         path: coverage-reports
-    - uses: codecov/codecov-action@75cd11691c0faa626561e295848008c8a7dddffe # v5.5.4
+    - uses: codecov/codecov-action@0fb7174895f61a3b6b78fc075e0cd60383518dac # v5.5.5
       with:
+        version: v11.3.1
         use_oidc: true
         directory: coverage-reports
         flags: mcp-dependencies
diff --git a/tests/mcp_dependency_tests/check_environment.py b/tests/mcp_dependency_tests/check_environment.py
index bdd1145c4ed..e8327ee9905 100644
--- a/tests/mcp_dependency_tests/check_environment.py
+++ b/tests/mcp_dependency_tests/check_environment.py
@@ -1,3 +1,4 @@
+from collections.abc import Iterable
 import importlib.metadata
 import importlib.util
 import json
@@ -9,15 +10,19 @@ from typing import Final
 import unittest
 
 
+from packaging.utils import canonicalize_name
+
+
+def installed_versions(distributions: Iterable[importlib.metadata.Distribution]) -> dict[str, str]:
+    return {canonicalize_name(distribution.metadata["Name"]): distribution.version for distribution in distributions}
+
+
 def main(profile: str, environment: Path) -> None:
     import litellm
 
     package: Final = Path(litellm.__file__).resolve()
     assert package.is_relative_to(environment.resolve()), f"wrong wheel import: {package}"
-    installed: Final = {
-        distribution.metadata["Name"].lower().replace("_", "-"): distribution.version
-        for distribution in importlib.metadata.distributions()
-    }
+    installed: Final = installed_versions(importlib.metadata.distributions())
     if profile == "core":
         assert all(importlib.util.find_spec(name) is None for name in ("mcp", "mcp_types", "httpx2", "httpcore2"))
     else:
diff --git a/tests/mcp_dependency_tests/test_runner.py b/tests/mcp_dependency_tests/test_runner.py
index 4c8e062d2ff..518a672013c 100644
--- a/tests/mcp_dependency_tests/test_runner.py
+++ b/tests/mcp_dependency_tests/test_runner.py
@@ -1,3 +1,4 @@
+import importlib.metadata
 from pathlib import Path
 import subprocess
 import sys
@@ -6,7 +7,7 @@ import zipfile
 
 import pytest
 
-from tests.mcp_dependency_tests import runner
+from tests.mcp_dependency_tests import check_environment, runner
 
 
 def wheel(tmp_path: Path, name: str = "litellm") -> Path:
@@ -201,3 +202,13 @@ def test_proxy_rejects_missing_or_ambiguous_companions(tmp_path: Path, ambiguous
         companion.unlink()
     with pytest.raises(ValueError, match="exactly one enterprise"):
         runner.project_text(path, "proxy")
+
+
+@pytest.mark.parametrize("name", ["Foo.Bar", "Foo__BAR", "foo--bar", "foo-bar"])
+def test_inventory_accepts_equivalent_distribution_names(tmp_path: Path, name: str) -> None:
+    metadata = tmp_path / "foo_bar-1.dist-info"
+    metadata.mkdir()
+    (metadata / "METADATA").write_text(f"Metadata-Version: 2.1\nName: {name}\nVersion: 1\n")
+    installed = check_environment.installed_versions(importlib.metadata.distributions(path=[str(tmp_path)]))
+    runner.verify_inventory("foo-bar==1\n", {"environment": {}, "installed": installed}, {})
+    assert installed == {"foo-bar": "1"}