diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2bc755c..3501ac6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## v1.0.0 - 10-20-2021
+
+This release only changes the version number. No code has changed.
+
 ## v0.1.6
 
 This release only has doc and build output cleanup. No code has changed.
diff --git a/mix.exs b/mix.exs
index c0b9bd3..3d747bb 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule Circuits.SPI.MixProject do
   use Mix.Project
 
-  @version "0.1.6"
+  @version "1.0.0"
   @source_url "https://github.com/elixir-circuits/circuits_spi"
 
   {:ok, system_version} = Version.parse(System.version())