diff --git a/samcli/__init__.py b/samcli/__init__.py
index 87438f23bb..8ffb63852f 100644
--- a/samcli/__init__.py
+++ b/samcli/__init__.py
@@ -2,4 +2,4 @@
 SAM CLI version
 """
 
-__version__ = "1.166.0"
+__version__ = "1.166.1"