diff --git a/CHANGES.adoc b/CHANGES.adoc
index ebeadd7..6fa4171 100644
--- a/CHANGES.adoc
+++ b/CHANGES.adoc
@@ -1,5 +1,12 @@
 = Changes
 
+== 10.0.0 (2020-11-15)
+
+* Added macOS Big Sur support
+* Updated project documentation to conform to Rubysmith template
+* Updated to Git Lint 1.3.0
+* Updated to Ruby 2.7.2
+
 == 9.0.0 (2020-09-12)
 
 * Fixed Homebrew cask verifier deprecation warning
diff --git a/README.adoc b/README.adoc
index 58fbe22..4ab6d53 100644
--- a/README.adoc
+++ b/README.adoc
@@ -57,7 +57,7 @@ To install, run:
 ----
 git clone https://github.com/bkuhlmann/mac_os.git
 cd mac_os
-git checkout 9.0.0
+git checkout 10.0.0
 ----
 
 == Usage