diff --git a/requirements/development.txt b/requirements/development.txt
index 6179ee7..4a3b5db 100644
--- a/requirements/development.txt
+++ b/requirements/development.txt
@@ -2,7 +2,7 @@
 
 bumpversion==0.5.3
 watchdog==0.8.3
-cryptography==2.3.1
+cryptography==2.6
 PyYAML==3.13
 coverage==4.5.1
 pep8==1.7.1