diff --git a/pyproject.toml b/pyproject.toml
index bbea54c..26c88ab 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ dependencies = [
     "jupyterlab>=4.4.8",
     "pip>=25.3",
     "urllib3>=2.6.0",
-    "virtualenv==20.36.1",
+    "virtualenv==21.0.0",
 ]
 
 [dependency-groups]
diff --git a/uv.lock b/uv.lock
index cd63308..37889a4 100644
--- a/uv.lock
+++ b/uv.lock
@@ -46,7 +46,7 @@ requires-dist = [
     { name = "jupyterlab", specifier = ">=4.4.8" },
     { name = "pip", specifier = ">=25.3" },
     { name = "urllib3", specifier = ">=2.6.0" },
-    { name = "virtualenv", specifier = "==20.36.1" },
+    { name = "virtualenv", specifier = "==21.0.0" },
 ]
 
 [package.metadata.requires-dev]
@@ -1676,6 +1676,19 @@ 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 = "1.1.0"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "filelock" },
+    { name = "platformdirs" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/82/bb/93a3e83bdf9322c7e21cafd092e56a4a17c4d8ef4277b6eb01af1a540a6f/python_discovery-1.1.0.tar.gz", hash = "sha256:447941ba1aed8cc2ab7ee3cb91be5fc137c5bdbb05b7e6ea62fbdcb66e50b268", size = 55674, upload-time = "2026-02-26T09:42:49.668Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/06/54/82a6e2ef37f0f23dccac604b9585bdcbd0698604feb64807dcb72853693e/python_discovery-1.1.0-py3-none-any.whl", hash = "sha256:a162893b8809727f54594a99ad2179d2ede4bf953e12d4c7abc3cc9cdbd1437b", size = 30687, upload-time = "2026-02-26T09:42:48.548Z" },
+]
+
 [[package]]
 name = "python-json-logger"
 version = "4.0.0"
@@ -2178,16 +2191,17 @@ wheels = [
 
 [[package]]
 name = "virtualenv"
-version = "20.36.1"
+version = "21.0.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "distlib" },
     { name = "filelock" },
     { name = "platformdirs" },
+    { name = "python-discovery" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/aa/a3/4d310fa5f00863544e1d0f4de93bddec248499ccf97d4791bc3122c9d4f3/virtualenv-20.36.1.tar.gz", hash = "sha256:8befb5c81842c641f8ee658481e42641c68b5eab3521d8e092d18320902466ba", size = 6032239, upload-time = "2026-01-09T18:21:01.296Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/ce/4f/d6a5ff3b020c801c808b14e2d2330cdc8ebefe1cdfbc457ecc368e971fec/virtualenv-21.0.0.tar.gz", hash = "sha256:e8efe4271b4a5efe7a4dce9d60a05fd11859406c0d6aa8464f4cf451bc132889", size = 5836591, upload-time = "2026-02-25T20:21:07.691Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/6a/2a/dc2228b2888f51192c7dc766106cd475f1b768c10caaf9727659726f7391/virtualenv-20.36.1-py3-none-any.whl", hash = "sha256:575a8d6b124ef88f6f51d56d656132389f961062a9177016a50e4f507bbcc19f", size = 6008258, upload-time = "2026-01-09T18:20:59.425Z" },
+    { url = "https://files.pythonhosted.org/packages/29/d1/3f62e4f9577b28c352c11623a03fb916096d5c131303d4861b4914481b6b/virtualenv-21.0.0-py3-none-any.whl", hash = "sha256:d44e70637402c7f4b10f48491c02a6397a3a187152a70cba0b6bc7642d69fb05", size = 5817167, upload-time = "2026-02-25T20:21:05.476Z" },
 ]
 
 [[package]]