diff --git a/setup.py b/setup.py
index ffb52a1..6b763b8 100644
--- a/setup.py
+++ b/setup.py
@@ -26,7 +26,7 @@
         'pypokerengine',
         'tornado==4.4.2',
         'click==6.7',
-        'PyYAML==3.12',
+        'PyYAML==5.4',
     ],
     entry_points={
         'console_scripts': ['pypokergui=pypokergui.__main__:cli']