diff --git a/pa/genetic_algorithm/R2/requirements.txt b/pa/genetic_algorithm/R2/requirements.txt
index c700c50..c782953 100644
--- a/pa/genetic_algorithm/R2/requirements.txt
+++ b/pa/genetic_algorithm/R2/requirements.txt
@@ -18,7 +18,7 @@ pytz==2018.5
 PyYAML==3.13
 requests==2.19.1
 six==1.11.0
-urllib3==1.23
+urllib3==1.24.2
 uuid==1.30
 Werkzeug==0.14.1
 yarg==0.1.9