diff --git a/CHANGELOG.md b/CHANGELOG.md
index dfec81cd8..ed8928461 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,17 @@ See [Conventional Commits](Https://conventionalcommits.org) for commit guideline
 
 <!-- changelog -->
 
+## [v1.48.0-rc.27](https://github.com/ash-project/ash/compare/v1.48.0-rc.26...v1.48.0-rc.27) (2021-10-29)
+
+
+
+
+### Improvements:
+
+* compile time optimizations via configuration
+
+* breaking change! if you were previously relying on the undocumented
+
 ## [v1.48.0-rc.26](https://github.com/ash-project/ash/compare/v1.48.0-rc.25...v1.48.0-rc.26) (2021-10-28)
 
 
diff --git a/mix.exs b/mix.exs
index 5efd0f160..22e099b21 100644
--- a/mix.exs
+++ b/mix.exs
@@ -7,7 +7,7 @@ defmodule Ash.MixProject do
   designed to be used by multiple front ends.
   """
 
-  @version "1.48.0-rc.26"
+  @version "1.48.0-rc.27"
 
   def project do
     [