diff --git a/troposphere/constants.py b/troposphere/constants.py
index 4753cb67b..2901a5174 100644
--- a/troposphere/constants.py
+++ b/troposphere/constants.py
@@ -71,6 +71,7 @@
 # EC2 instance types
 #
 
+T2_NANO = 't2.nano'
 T2_MICRO = 't2.micro'
 T2_SMALL = 't2.small'
 T2_MEDIUM = 't2.medium'