diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index b4b8d0ff..e6f87756 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "3.1.1"
+  ".": "4.0.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index feedb6bd..0449fc36 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,25 @@
 
 # Change Log
 
+## [4.0.0](https://github.com/ruby-git/ruby-git/compare/v3.1.1...v4.0.0) (2025-07-02)
+
+
+### ⚠ BREAKING CHANGES
+
+* Users will need to be on Ruby 3.2 or greater
+
+### Features
+
+* Add Log#execute to run the log and return an immutable result ([ded54c4](https://github.com/ruby-git/ruby-git/commit/ded54c4b551aefb7de35b9505ce14f2061d1708c))
+* **diff:** Refactor Git::Diff to separate concerns and improve AP ([e22eb10](https://github.com/ruby-git/ruby-git/commit/e22eb10bf2e4049f1a0fb325341ef7489f25e66e))
+* Upgrade minimally supported Ruby to 3.2 ([fb93ef1](https://github.com/ruby-git/ruby-git/commit/fb93ef14def222d6eca29f49a5f810a3d6de5787))
+
+
+### Other Changes
+
+* Remove unneeded explicit return statements ([28e07ae](https://github.com/ruby-git/ruby-git/commit/28e07ae2e91a8defd52549393bf6f3fcbede122e))
+* Upgrade to ProcessExecuter 4.x ([5b00d3b](https://github.com/ruby-git/ruby-git/commit/5b00d3b9c4063c9988d844eec9ddedddb8c26446))
+
 ## [3.1.1](https://github.com/ruby-git/ruby-git/compare/v3.1.0...v3.1.1) (2025-07-02)
 
 
diff --git a/lib/git/version.rb b/lib/git/version.rb
index a6a12505..29e6a753 100644
--- a/lib/git/version.rb
+++ b/lib/git/version.rb
@@ -3,5 +3,5 @@
 module Git
   # The current gem version
   # @return [String] the current gem version.
-  VERSION='3.1.1'
+  VERSION='4.0.0'
 end