diff --git a/docs/requirements.txt b/docs/requirements.txt
index 89bf117..692e681 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -49,7 +49,7 @@ pygments==2.19.2 ; python_version >= "3.10" and python_version < "3.15"
 pyinstaller-hooks-contrib==2026.0 ; python_version >= "3.10" and python_version < "3.15"
 pyinstaller==6.19.0 ; python_version >= "3.10" and python_version < "3.15"
 pylint==4.0.5 ; python_version >= "3.10" and python_version < "3.15"
-pymdown-extensions==10.16.1 ; python_version >= "3.10" and python_version < "3.15"
+pymdown-extensions==10.21.3 ; python_version >= "3.10" and python_version < "3.15"
 pync==2.0.3 ; python_version >= "3.10" and python_version < "3.15" and sys_platform == "darwin"
 pytest-cov==7.0.0 ; python_version >= "3.10" and python_version < "3.15"
 pytest-describe==3.1.0 ; python_version >= "3.10" and python_version < "3.15"