diff --git a/requirements.txt b/requirements.txt
index ba96007..5186b3f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ pyhocon>=0.3.38,<0.4.0
 pyparsing>=2.0.3,<2.5.0
 python-dateutil>=2.4.2,<2.9.0
 pyjwt>=1.6.4,<2.1.0
-PyYAML>=3.12,<5.4.0
+PyYAML>=3.12,<5.5.0
 requests>=2.20.0,<2.26.0
 six>=1.11.0,<1.16.0
 typing>=3.6.4,<3.8.0