diff --git a/setup.py b/setup.py
old mode 100755
new mode 100644
index 3b56ce8..f120535
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@ def run_tests(self):
 
 requirements = [
     'irc==12.4.3',
-    'PyYAML==3.11'
+    'PyYAML==5.4'
 ]
 
 test_requirements = [