diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1956ac1dd..6217d1ec8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,17 @@ See [Conventional Commits](Https://conventionalcommits.org) for commit guideline
 
 <!-- changelog -->
 
+## [v1.27.0](https://github.com/ash-project/ash/compare/v1.26.13...v1.27.0) (2021-01-08)
+### Breaking Changes:
+
+* Use usec timestamps by default
+
+
+
+### Improvements:
+
+* Add built in usec datetime type (#160) (#161)
+
 ## [v1.26.13](https://github.com/ash-project/ash/compare/v1.26.12...v1.26.13) (2021-01-08)
 
 
diff --git a/README.md b/README.md
index df56b8721..3f55ebfe3 100644
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ Ash is in alpha. The package version is 1.0.0+, and most of the time that means
 ```elixir
 def deps do
   [
-    {:ash, "~> 1.26.13"}
+    {:ash, "~> 1.27.0"}
   ]
 end
 ```
diff --git a/mix.exs b/mix.exs
index 5eb58c45e..6fbf2e0c4 100644
--- a/mix.exs
+++ b/mix.exs
@@ -7,7 +7,7 @@ defmodule Ash.MixProject do
   designed to be used by multiple front ends.
   """
 
-  @version "1.26.13"
+  @version "1.27.0"
 
   def project do
     [