diff --git a/requirements.txt b/requirements.txt
index b534a9d..c90f7fb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ nbinteract==0.2.5
 numpy==1.17.4
 opencv-python==4.1.2.30
 Pillow==6.2.1
-PyYAML==5.2
+PyYAML==5.4
 pyzmq==18.1.0
 qtconsole==4.6.0
 regex==2020.2.20