diff --git a/python/web/requirements-dev.txt b/python/web/requirements-dev.txt
index 5e44fbde52..272539f312 100644
--- a/python/web/requirements-dev.txt
+++ b/python/web/requirements-dev.txt
@@ -8,7 +8,7 @@ flake8==7.3.0
 idna==3.11
 iniconfig==2.0.0
 jinja2==3.1.6
-MarkupSafe==2.1.5
+MarkupSafe==3.0.3
 mccabe==0.7.0
 mypy-extensions==1.1.0
 packaging==26.0
diff --git a/python/web/requirements.txt b/python/web/requirements.txt
index d1c593778e..efda784bb6 100644
--- a/python/web/requirements.txt
+++ b/python/web/requirements.txt
@@ -11,7 +11,7 @@ idna==3.11
 importlib-metadata==8.7.1
 itsdangerous==2.2.0
 jinja2==3.1.6
-MarkupSafe==2.1.5
+MarkupSafe==3.0.3
 # protobuf==3.20.3
 python-pam==2.0.2
 pytz==2026.1.post1