diff --git a/requirements.txt b/requirements.txt
index 3c521ddb..58b26aea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,6 @@
 boto3==1.9.150
 Click==6.7
-troposphere==2.4.7
+troposphere==4.8.1
 awacs==0.7.2
 jinja2==2.10
 inflection==0.3.1