diff --git a/requirements.txt b/requirements.txt
index 8520cceb..b1185e41 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-boto3==1.9.9
+boto3==1.9.66
 Click==6.7
 troposphere==2.3.0
 awacs==0.7.2