diff --git a/docs/user-guide/requirements/requirements.txt b/docs/user-guide/requirements/requirements.txt
index 30499b6..9d76b0f 100644
--- a/docs/user-guide/requirements/requirements.txt
+++ b/docs/user-guide/requirements/requirements.txt
@@ -19,9 +19,9 @@ backrefs==5.9 \
     --hash=sha256:df5e169836cc8acb5e440ebae9aad4bf9d15e226d3bad049cf3f6a5c20cc8dc9 \
     --hash=sha256:f48ee18f6252b8f5777a22a00a09a85de0ca931658f1dd96d4406a34f3748c60
     # via mkdocs-material
-certifi==2025.6.15 \
-    --hash=sha256:2e0c7ce7cb5d8f8634ca55d2ba7e6ec2689a2fd6537d8dec1296a477a4910057 \
-    --hash=sha256:d747aa5a8b9bbbb1bb8c22bb13e22bd1f18e9796defa16bab421f7f7a317323b
+certifi==2026.1.4 \
+    --hash=sha256:9943707519e4add1115f44c2bc244f782c0249876bf51b6599fee1ffbedd685c \
+    --hash=sha256:ac726dd470482006e014ad384921ed6438c457018f4b3d204aea4281258b2120
     # via requests
 charset-normalizer==3.4.2 \
     --hash=sha256:005fa3432484527f9732ebd315da8da8001593e2cf46a3d817669f062c3d9ed4 \