diff --git a/pyproject.toml b/pyproject.toml
index 0456f3c7..3fe00e78 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ dependencies = [
     "requests>=2.25,<3.0",
     "setuptools",
     "tableauserverclient==0.41",
-    "urllib3",
+    "urllib3>=2.6.0,<3",
 ]
 [project.optional-dependencies]
 test = [