diff --git a/Human Activity Detection/requirements.txt b/Human Activity Detection/requirements.txt
index bb13973..4a52a3e 100644
--- a/Human Activity Detection/requirements.txt	
+++ b/Human Activity Detection/requirements.txt	
@@ -7,7 +7,7 @@ opencv-python==4.2.0.32
 pytorch_lightning==1.3.3
 torch==1.13.1
 torchvision==0.9.1
-pyyaml==5.1
+pyyaml==5.4
 Werkzeug==2.2.3
 torchtext
 pytorch_lightning
\ No newline at end of file