diff --git a/requirements.txt b/requirements.txt
index 16dd9d7..db513dd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 beautifulsoup4==4.5.3
-certifi==2017.1.23
+certifi==2017.4.17
 click==6.7
 Flask==0.12.1
 future==0.16.0