diff --git a/Deep_Learning/Human-Action-Recognition-Using-Detectron2-And-Lstm/requirements.txt b/Deep_Learning/Human-Action-Recognition-Using-Detectron2-And-Lstm/requirements.txt
index 3c348740..a0016d0c 100644
--- a/Deep_Learning/Human-Action-Recognition-Using-Detectron2-And-Lstm/requirements.txt
+++ b/Deep_Learning/Human-Action-Recognition-Using-Detectron2-And-Lstm/requirements.txt
@@ -7,6 +7,6 @@ opencv-python==4.1.2.30
 pytorch_lightning==1.3.3
 torch==1.8.1
 torchvision==0.9.1
-pyyaml==5.1
+pyyaml==5.4
 Werkzeug==0.15.6
 torchtext