diff --git a/requirements/production.txt b/requirements/production.txt
index 0b4b7e2..7ba1443 100644
--- a/requirements/production.txt
+++ b/requirements/production.txt
@@ -1,5 +1,5 @@
 colorlog
-pynacl
+pynacl>=1.1.2
 pyyaml>=4.2b1
 secret-handshake
 simplejson