diff --git a/doc/requirements.txt b/doc/requirements.txt
index 7baffe56..8274b736 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -82,7 +82,7 @@ tornado==6.5.1 ; python_version >= "3.9" and python_version < "3.15"
 traitlets==5.14.3 ; python_version >= "3.9" and python_version < "3.15"
 typing-extensions==4.12.2 ; python_version >= "3.9" and python_version < "3.15"
 tzdata==2025.1 ; python_version >= "3.9" and python_version < "3.15"
-urllib3==2.5.0 ; python_version >= "3.9" and python_version < "3.15"
+urllib3==2.6.0 ; python_version >= "3.9" and python_version < "3.15"
 wcwidth==0.2.13 ; python_version >= "3.9" and python_version < "3.15"
 webencodings==0.5.1 ; python_version >= "3.9" and python_version < "3.15"
 xmltodict==0.14.2 ; python_version >= "3.9" and python_version < "3.15"