diff --git a/clients/python/pyproject.toml b/clients/python/pyproject.toml
index cee362194aaf4..0176fcc9fd18e 100644
--- a/clients/python/pyproject.toml
+++ b/clients/python/pyproject.toml
@@ -51,7 +51,7 @@ classifiers = [
 dependencies = [
     "pydantic >= 2.11.0",
     "python-dateutil",
-    "urllib3 >= 2.1.0",
+    "urllib3>=2.1.0,!=2.6.0",
 ]
 
 [project.urls]
diff --git a/kubernetes-tests/pyproject.toml b/kubernetes-tests/pyproject.toml
index 34b9037c8cd6b..dd482e0680d8b 100644
--- a/kubernetes-tests/pyproject.toml
+++ b/kubernetes-tests/pyproject.toml
@@ -44,7 +44,7 @@ dependencies = [
     # Urllib 2.6.0 breaks kubernetes client because kubernetes client uses deprecated in 2.0.0 and
     # removed in 2.6.0 `getheaders()` call (instead of `headers` property.
     # Tracked in https://github.com/kubernetes-client/python/issues/2477
-    "urllib3>=2.1.0,<2.6.0",
+    "urllib3>=2.1.0,!=2.6.0",
 ]
 
 [tool.pytest]
diff --git a/providers/cncf/kubernetes/pyproject.toml b/providers/cncf/kubernetes/pyproject.toml
index deb6d5cfe4725..3d872a7755b07 100644
--- a/providers/cncf/kubernetes/pyproject.toml
+++ b/providers/cncf/kubernetes/pyproject.toml
@@ -76,7 +76,7 @@ dependencies = [
     # Urllib 2.6.0 breaks kubernetes client because kubernetes client uses deprecated in 2.0.0 and
     # removed in 2.6.0 `getheaders()` call (instead of `headers` property.
     # Tracked in https://github.com/kubernetes-client/python/issues/2477
-    "urllib3>=2.1.0,<2.6.0",
+    "urllib3>=2.1.0,!=2.6.0",
     # the version is limited to the next MAJOR version and should by synced with the kubernetes version
     "kubernetes_asyncio>=32.0.0,<35.0.0",
 ]