diff --git a/README.md b/README.md
index 2d868df..e46bff9 100644
--- a/README.md
+++ b/README.md
@@ -147,7 +147,7 @@ Resources:
       <td>The function execution time at which Lambda should terminate the function</td>
       <td>3</td>
       <td>no</td>
-      <td>[1-300]</td>
+      <td>[1-900]</td>
     </tr>
     <tr>
       <td>TracingConfigMode</td>
diff --git a/module.yml b/module.yml
index 7075818..b9d4bd6 100644
--- a/module.yml
+++ b/module.yml
@@ -78,7 +78,7 @@ Parameters:
     Type: Number
     Default: 3
     MinValue: 1
-    MaxValue: 300
+    MaxValue: 900
   TracingConfigMode:
     Type: String
     Default: PassThrough
@@ -113,7 +113,7 @@ Parameters:
     Type: String
     Default: ''
   ManagedPolicyArns:
-    Description: 'Comma-delimited list of IAM managed policy ARNs to attach to the task''s IAM role'
+    Description: 'Optional comma-delimited list of IAM managed policy ARNs to attach to the task''s IAM role'
     Type: String
     Default: ''
 Conditions:
@@ -252,7 +252,7 @@ Outputs:
   ModuleId:
     Value: 'lambda-function'
   ModuleVersion:
-    Value: '1.3.0'
+    Value: '1.3.1'
   StackName:
     Value: !Ref 'AWS::StackName'
   Arn:
diff --git a/package.json b/package.json
index 3c7cf3a..a91a7e9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@cfn-modules/lambda-function",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "description": "AWS Lambda function with automated IAM policy generation, encryption, log group and alerting",
   "author": "Michael Wittig <michael@widdix.de>",
   "license": "Apache-2.0",