diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 888a3d6..18c26f2
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ opencv-python==4.1.1.26
 scipy==1.3.1
 scikit-image==0.16.1
 shapely==1.6.4.post2
-pyyaml==5.3
+pyyaml==5.4
 munch==2.5.0
 jupyter==1.0.0
 pandas==1.0.3