diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3390473..7a44c3e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## Ormolu action v16
+
+* Uses Ormolu 0.7.7.0 as the latest version. On MacOS runners aarch64
+  version of Ormolu will be used.
+
 ## Ormolu action v15
 
 * Uses Ormolu 0.7.4.0 as the latest version.
diff --git a/README.md b/README.md
index 3ababf8..ade3090 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ $ git config --global core.autocrlf false
 In the simple case all you need to do is to add this step to your job:
 
 ```yaml
-- uses: haskell-actions/run-ormolu@v15
+- uses: haskell-actions/run-ormolu@v16
 ```
 
 However, if you are using a matrix, then it is more efficient to have a
@@ -50,7 +50,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: haskell-actions/run-ormolu@v15
+      - uses: haskell-actions/run-ormolu@v16
   build:
     runs-on: ubuntu-latest
     needs: ormolu