diff --git a/Database_Py_Spark_MapReduce/Code/requirements.txt b/Database_Py_Spark_MapReduce/Code/requirements.txt
index 4f37e71..5e2a564 100644
--- a/Database_Py_Spark_MapReduce/Code/requirements.txt
+++ b/Database_Py_Spark_MapReduce/Code/requirements.txt
@@ -42,7 +42,7 @@ python-apt==1.8.4
 python-dateutil==2.8.0
 pytz==2019.1
 pyxdg==0.25
-PyYAML==3.13
+PyYAML==5.1
 requests==2.21.0
 SecretStorage==2.3.1
 six==1.12.0