diff --git a/ChangeLog.md b/ChangeLog.md
index caf9a07a42e..312dbdc8985 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,12 +1,13 @@
 # Change Log
 
-### Unreleased
-Modelerfour version: 4.13.346
+### 2020-05-08 - 5.0.0-preview.5
+Modelerfour version: 4.13.351
 
 **Bug Fixes**
 
 - Users can pass in content types with ';' inside (such as 'text/plain; encoding=UTF-8')  #619
 - Allowing parameters to be of type `IO` as well  #618
+- Can now generate without FATAL: bad indentation error (taken from m4 update - perks PR #105)
 
 ### 2020-05-06 - 5.0.0-preview.4
 Modelerfour version: 4.13.346
diff --git a/README.md b/README.md
index 327993289a0..4d2d2477760 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ pass-thru:
   - subset-reducer
 # version: 3.0.6258
 use-extension:
-  "@autorest/modelerfour": "4.13.346"
+  "@autorest/modelerfour": "4.13.351"
 
 modelerfour:
   group-parameters: true
diff --git a/package.json b/package.json
index e49e2097613..d69c6245e46 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@autorest/python",
-  "version": "5.0.0-preview.4",
+  "version": "5.0.0-preview.5",
   "description": "The Python extension for generators in AutoRest.",
   "scripts": {
     "prepare": "python prepare.py",