diff --git a/pyproject.toml b/pyproject.toml
index 8b5bc26..01271cb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ dependencies = [
     "requests==2.34.2",
     "sentry-sdk==2.64.0",
     "tornado==6.5.7",
-    "virtualenv==20.39.1",
+    "virtualenv==21.6.0",
 ]
 
 [dependency-groups]
diff --git a/uv.lock b/uv.lock
index cf4ed59..b28ac73 100644
--- a/uv.lock
+++ b/uv.lock
@@ -295,6 +295,19 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/ec/57/56b9bcc3c9c6a792fcbaf139543cee77261f3651ca9da0c93f5c1221264b/python_dateutil-2.9.0.post0-py2.py3-none-any.whl", hash = "sha256:a8b2bc7bffae282281c8140a97d3aa9c14da0b136dfe83f850eea9a5f7470427", size = 229892, upload-time = "2024-03-01T18:36:18.57Z" },
 ]
 
+[[package]]
+name = "python-discovery"
+version = "1.4.4"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "filelock" },
+    { name = "platformdirs" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/4c/81/58c70036dffeccb7fe7d79d6260c69f7a28272bbd3909c29a01ea9422744/python_discovery-1.4.4.tar.gz", hash = "sha256:5cad33982d412c1f3ffb8f9ca4ea292c9680bca3942451d30b69c37fce53a4a3", size = 72212, upload-time = "2026-07-08T23:06:50.691Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/9d/ae/84bc0d2440c95772272bb6f4b3d09ccf08b2898fce89b3d4f969a9fc74e9/python_discovery-1.4.4-py3-none-any.whl", hash = "sha256:abebe9120b43453b68c908acfb1e72a19d1a959ed2cb620ad38fc57d08056dbe", size = 34181, upload-time = "2026-07-08T23:06:49.402Z" },
+]
+
 [[package]]
 name = "pytz"
 version = "2025.2"
@@ -337,7 +350,7 @@ requires-dist = [
     { name = "requests", specifier = "==2.34.2" },
     { name = "sentry-sdk", specifier = "==2.64.0" },
     { name = "tornado", specifier = "==6.5.7" },
-    { name = "virtualenv", specifier = "==20.39.1" },
+    { name = "virtualenv", specifier = "==21.6.0" },
 ]
 
 [package.metadata.requires-dev]
@@ -442,14 +455,15 @@ wheels = [
 
 [[package]]
 name = "virtualenv"
-version = "20.39.1"
+version = "21.6.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "distlib" },
     { name = "filelock" },
     { name = "platformdirs" },
+    { name = "python-discovery" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/08/28/3b1b939f7d7d1b370c86919fcbc7e44549aa5bd94254b5ca8f8cb10d8aef/virtualenv-20.39.1.tar.gz", hash = "sha256:c551ea1072d7717a273dd9a4a0adad8f45571af134b0f63a12430e85f6ac1c08", size = 5870061, upload-time = "2026-02-25T19:26:41.253Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/74/65/ec1d92091671e6407d3e7c1f5801413bb7b2b57630a50cae7750456ba0ed/virtualenv-21.6.0.tar.gz", hash = "sha256:e18a4d750f2b64dea73e72ffde3922f3c52365fabdc8157ebd3da20d031c4734", size = 5526111, upload-time = "2026-07-06T22:49:56.972Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/f6/7f/89d7e8a397752826dbbb81127dfb8feab8286f4f1f91a820f646f04368fb/virtualenv-20.39.1-py3-none-any.whl", hash = "sha256:a00332e0b089ba64edefbf94ef34e6db33f45fe5184df0652cf0b754dcd36190", size = 5839941, upload-time = "2026-02-25T19:26:39.273Z" },
+    { url = "https://files.pythonhosted.org/packages/b8/e7/2fbd0cc1653c53eed8f10670538bb547de2b3e37aacad283faa82a71094b/virtualenv-21.6.0-py3-none-any.whl", hash = "sha256:bce9d097950fef9d81129b333babfb7767072850c2f1acce0ec536708401bfd1", size = 5506216, upload-time = "2026-07-06T22:49:54.941Z" },
 ]