diff --git a/services/tracker/requirements.txt b/services/tracker/requirements.txt
index 9adbbf28..bf7cad0b 100644
--- a/services/tracker/requirements.txt
+++ b/services/tracker/requirements.txt
@@ -10,7 +10,7 @@ py==1.8.0
 pyparsing==2.4.2
 pytest==5.1.3
 pytest-asyncio==0.10.0
-PyYAML==5.1.2
+PyYAML==5.4
 schematics==2.1.0
 six==1.12.0
 wcwidth==0.1.7