diff --git a/requirements.txt b/requirements.txt
index 78179d5..dd6e2f8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ odfpy==1.4.0
 openpyxl==2.6.2
 psycopg2-binary==2.8.2
 pytz==2019.1
-PyYAML==5.1.1
+PyYAML==5.4
 requests==2.22.0
 sqlparse==0.3.0
 tablib==0.13.0