diff --git a/requirements.txt b/requirements.txt
index 3cb3f9b..08bed45 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ pydriller==1.15.1
 requests==2.21.0
 pytest==5.3.5
 GitPython==3.1.0
-PyYAML==5.3.1
+PyYAML==5.4
 diskcache==4.1.0
 pika==1.1.0
 stomp.py==6.1.0
\ No newline at end of file