diff --git a/requirements.txt b/requirements.txt
index 96a2b37..a9b4453 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 pandas==1.0.0
 pypyodbc==1.3.5.2
-PyYAML==5.3
+PyYAML==5.4