diff --git a/docs/requirements.txt b/docs/requirements.txt
index 31984bd..4988f95 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -3,7 +3,7 @@ MarkupSafe==3.0.3
 Pygments==2.19.2
 alabaster==1.0.0
 babel==2.17.0
-certifi==2025.10.5
+certifi==2026.1.4
 chardet==5.2.0
 commonmark==0.9.1
 docutils==0.21.2