diff --git a/docker/docker-compose/compose_python/python3/requirements.txt b/docker/docker-compose/compose_python/python3/requirements.txt
index 65e0351..c25b9d5 100644
--- a/docker/docker-compose/compose_python/python3/requirements.txt
+++ b/docker/docker-compose/compose_python/python3/requirements.txt
@@ -16,7 +16,7 @@ odfpy==1.3.6
 openpyxl==2.4.9 
 Pillow==5.0.0 
 pytz==2017.3 
-PyYAML==3.12 
+PyYAML==5.1 
 six==1.11.0 
 tablib==0.12.1 
 unicodecsv==0.14.1