diff --git a/requirements-ci.txt b/requirements-ci.txt
index b1043c8..e6c39b6 100644
--- a/requirements-ci.txt
+++ b/requirements-ci.txt
@@ -52,7 +52,7 @@ isort==5.10.1
     # via
     #   -r requirements-ci.in
     #   flake8-isort
-lxml==4.7.1
+lxml==4.9.1
     # via -r requirements.txt
 mccabe==0.6.1
     # via flake8
diff --git a/requirements.txt b/requirements.txt
index 4bef88b..77c8d63 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -26,7 +26,7 @@ idna==3.3
     # via
     #   requests
     #   yarl
-lxml==4.7.1
+lxml==4.9.1
     # via -r requirements.in
 multidict==5.2.0
     # via