diff --git a/setup.py b/setup.py
index fb03216..5c7cb9f 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@
     from setuptools import setup, find_packages
 
 dependencies = [
-    'PyYAML==5.1',
+    'PyYAML==5.4',
     'PyGithub==1.43',
     'requests==2.20.0',
     'typing==3.6.6',