diff --git a/5_visionbot/src/requirements.txt b/5_visionbot/src/requirements.txt
index 26b20c2..700b5ff 100644
--- a/5_visionbot/src/requirements.txt
+++ b/5_visionbot/src/requirements.txt
@@ -17,7 +17,7 @@ MarkupSafe==1.1.1
 numpy==1.17.0
 Pillow==6.1.0
 protobuf==3.9.1
-PyYAML==5.1.2
+PyYAML==5.4
 scipy==1.3.0
 six==1.12.0
 tensorboard==1.14.0