diff --git a/requirements.txt b/requirements.txt
index 84562a0..a90d251 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,6 +4,6 @@ chardet==3.0.4
 Django==2.1.11
 idna==2.8
 pytz==2018.9
-PyYAML==5.2
+PyYAML==5.4
 requests==2.21.0
 urllib3==1.24.2