diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index beee86c..b9d71c4
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 beautifulsoup4==4.4.1
-PyYAML==3.11
-requests==2.12.4
+PyYAML==5.4
+requests==2.20
 wheel==0.24.0
-lxml==3.8.0
+lxml==4.9.1