diff --git a/requirements.txt b/requirements.txt
index f9c47bc..08db578 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ cffi==1.14.0
 Click==7.0
 construct==2.10.56
 future==0.18.2
-lxml==4.6.2
+lxml==4.9.1
 pycparser==2.20
 pycryptodome==3.9.7
 pykeepass==3.2.0