diff --git a/requirements.txt b/requirements.txt
index 076995265094b62172afdeecc0ece056101010dd..8f7ccc6b15cb1b17c63119cd7f61dba8c1469b73 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 backports.tempfile==1.0
 futures==3.2.0
 fuzzywuzzy==0.17.0
-lxml==4.3.0
+lxml==4.3.1
 matplotlib==2.2.3
 numpy==1.16.1
 Pillow>=3.4.1