diff --git a/requirements.in b/requirements.in
index 7de83a7..2343d50 100644
--- a/requirements.in
+++ b/requirements.in
@@ -1,3 +1,3 @@
-lxml==4.4.1
+lxml==4.5.0
 attrs==19.1.0
 mario==0.0.153
diff --git a/requirements.txt b/requirements.txt
index dd7aa77..f97ce2c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ idna==2.8                 # via requests, trio
 imagesize==1.1.0          # via sphinx
 importlib-metadata==0.18  # via mario, pluggy, pytest
 jinja2==2.10.3            # via sphinx
-lxml==4.4.1
+lxml==4.5.0
 mario==0.0.153
 markupsafe==1.1.1         # via jinja2
 marshmallow==3.0rc8       # via mario
@@ -65,4 +65,4 @@ xmltodict==0.12.0         # via mario
 zipp==0.5.2               # via importlib-metadata
 
 # The following packages are considered to be unsafe in a requirements file:
-# setuptools==41.4.0        # via sphinx
+# setuptools