diff --git a/anaconda/anaconda-requirements.txt b/anaconda/anaconda-requirements.txt
index 7fa221b..cff2a1d 100644
--- a/anaconda/anaconda-requirements.txt
+++ b/anaconda/anaconda-requirements.txt
@@ -123,7 +123,7 @@ libxml2==2.9.9
 libxslt==1.1.33 
 llvmlite==0.29.0 
 locket==0.2.0 
-lxml==4.3.4 
+lxml==4.9.1 
 lz4-c==1.8.1.2 
 lzo==2.10 
 markupsafe==1.1.1