diff --git a/Laboratory2/requirements.txt b/Laboratory2/requirements.txt
index 32cb8f6..973755d 100644
--- a/Laboratory2/requirements.txt
+++ b/Laboratory2/requirements.txt
@@ -28,7 +28,7 @@ psycopg2==2.8.4
 pyparsing==2.3.1
 python-dateutil==2.8.0
 pytz==2018.4
-PyYAML==3.13
+PyYAML==5.1
 requests==2.18.4
 six==1.11.0
 SQLAlchemy==1.3.10