diff --git a/requirements.txt b/requirements.txt
index 4d217ca..8990691 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
 pytest==5.1.1
 google-cloud-bigquery==1.18.0
 Jinja2==2.10.1
-PyYAML==5.1.2
\ No newline at end of file
+PyYAML==5.4
\ No newline at end of file