diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 32dbe0e2..affd1ab3 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "5.0.0"
+  ".": "5.1.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8426d518..ac7ff730 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,23 @@
 # Changelog
 
+## [5.1.0](https://github.com/krystal/katapult-php/compare/v5.0.0...v5.1.0) (2024-09-05)
+
+
+### Features
+
+* don't get deps beyond php 8.1 ([b867b18](https://github.com/krystal/katapult-php/commit/b867b1820d13ad1af6f3dd1b589f6e604e8f88b4))
+* download up to date spec files for KP 2.54.0 ([63c7c24](https://github.com/krystal/katapult-php/commit/63c7c242851b3a559bb230e9219b23d23b08b83d))
+* **generator:** new client automatically generated in GitHub Actions ([43fb66a](https://github.com/krystal/katapult-php/commit/43fb66ae35285732bbc370726d832aff9cdbaf54))
+* **generator:** new client automatically generated in GitHub Actions ([011d669](https://github.com/krystal/katapult-php/commit/011d669f126c4cb552cb6773104dfc2f0bef8aaf))
+* **generator:** new client automatically generated in GitHub Actions ([437bd97](https://github.com/krystal/katapult-php/commit/437bd97b92af9253245bb11827b967b06f9d59b5))
+* update spec to latest 2.54 ([c114de3](https://github.com/krystal/katapult-php/commit/c114de34850d4d5d8db0648e584dc48cbd6357f7))
+* update to kp 2.54.0 ([255aad2](https://github.com/krystal/katapult-php/commit/255aad26e4260f77775143a4ce3f661fed6d826d))
+
+
+### Miscellaneous Chores
+
+* update deps and specify multicore for cs fixer ([0959645](https://github.com/krystal/katapult-php/commit/0959645edde70a4aa840af11114de5504c4662b1))
+
 ## [5.0.0](https://github.com/krystal/katapult-php/compare/v4.0.3...v5.0.0) (2024-08-29)
 
 
diff --git a/VERSION b/VERSION
index 0062ac97..831446cb 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-5.0.0
+5.1.0
diff --git a/composer.json b/composer.json
index abc5fa43..b76e1e72 100644
--- a/composer.json
+++ b/composer.json
@@ -14,12 +14,12 @@
       "*": "dist"
     },
     "sort-packages": true,
-      "platform": {
-          "php": "8.1"
-      },
-      "allow-plugins": {
-        "php-http/discovery": true
-      }
+    "platform": {
+      "php": "8.1"
+    },
+    "allow-plugins": {
+      "php-http/discovery": true
+    }
   },
   "autoload": {
     "psr-4": {