diff --git a/requirements.txt b/requirements.txt
index 193512a..dc52332 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ cffi==1.11.0              # via cryptography
 cryptography==2.5       # via pyopenssl
 deprecation==1.0.1        # via nicfit.py
 idna==2.6                 # via cryptography
-lxml==4.1.1
+lxml==4.3.3
 nicfit.py==0.6.6
 pycares==2.3.0            # via aiodns
 pycparser==2.18           # via cffi
diff --git a/requirements/main.txt b/requirements/main.txt
index 229e780..7f30296 100644
--- a/requirements/main.txt
+++ b/requirements/main.txt
@@ -1,4 +1,4 @@
 PyOpenSSL==17.5.0
 aiodns
-lxml==4.1.1
+lxml==4.3.3
 nicfit.py==0.6.6