diff --git a/project_2-automatic_image_captioning/requirements.txt b/project_2-automatic_image_captioning/requirements.txt
index ecb553e..08282e8 100644
--- a/project_2-automatic_image_captioning/requirements.txt
+++ b/project_2-automatic_image_captioning/requirements.txt
@@ -71,7 +71,7 @@ Keras==2.0.9
 librosa==0.5.1
 llvmlite==0.20.0
 locket==0.2.0
-lxml==4.1.1
+lxml==4.6.3
 Mako==1.0.7
 Markdown==2.6.9
 MarkupSafe==1.0