diff --git a/docker/requirements.txt b/docker/requirements.txt
old mode 100755
new mode 100644
index a23bfeb..0d49f29
--- a/docker/requirements.txt
+++ b/docker/requirements.txt
@@ -19,7 +19,7 @@ umap-learn==0.3.9
 pronto==0.12.2
 mygene==3.1.0
 xlrd==1.2.0
-lxml==4.3.4
+lxml==4.9.1
 pyarrow==0.13.0
 tables==3.5.2
 interlap==0.2.6