diff --git a/requirements.txt b/requirements.txt
index 131d91c..5e6c6c3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 numpy==1.15.1
 opencv-python==4.2.0.32
 Pillow==6.2.2
-PyYAML==5.3.1
+PyYAML==5.4
 nose
 mock
\ No newline at end of file