diff --git a/requirements.txt b/requirements.txt
index c8a3413..4a388fe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ greenlet==1.0.0
 grequests==0.6.0
 idna==2.8
 kiwisolver==1.3.1
-lxml==4.6.2
+lxml==4.6.5
 matplotlib==3.4.2
 mplcursors==0.4
 numpy==1.19.5