diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2e4ff26..d6fcbb6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Versions
 
+## Release 1.x
+
+* 1.0.0 -- 2022-04-27
+  - release code as ready to be deployed in accounts and regions
+
 ## Pre-release
 
 * 0.0.0 -- 2022-01-21
@@ -102,5 +107,6 @@
     1. Fixed def parse_heritage to add more logging and better input validation
     1. Fixed def get_heritage_item to check input type and add more logging
 
-* 0.3.1 - 2022-04-26
+* 0.3.1 -- 2022-04-26
   - change version purely to test heritage code handling a version change
+
diff --git a/code/ddns-lambda.py b/code/ddns-lambda.py
index 2a88d42..508d018 100755
--- a/code/ddns-lambda.py
+++ b/code/ddns-lambda.py
@@ -72,7 +72,7 @@
 LOGGER = logging.getLogger()
 ACCOUNT = None
 REGION = None
-VERSION = '0.3.1'
+VERSION = '1.0.0'
 
 # Read Env variables
 DEBUG_LOG_LEVEL = os.environ.get('DebugLogLevel', 'INFO')
diff --git a/code/ddns-lambda.zip b/code/ddns-lambda.zip
index 69090fe..0e4a747 100644
Binary files a/code/ddns-lambda.zip and b/code/ddns-lambda.zip differ
diff --git a/version.tf b/version.tf
index 188c425..374ba43 100644
--- a/version.tf
+++ b/version.tf
@@ -1,3 +1,3 @@
 locals {
-  _module_version = "0.3.1"
+  _module_version = "1.0.1"
 }