diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 4f2fb0487..e0844fe64 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -22,7 +22,7 @@
   "instrumentation/http_client": "0.22.3",
   "instrumentation/httpx": "0.1.1",
   "instrumentation/koala": "0.20.2",
-  "instrumentation/active_model_serializers": "0.20.1",
+  "instrumentation/active_model_serializers": "0.21.0",
   "instrumentation/concurrent_ruby": "0.21.2",
   "instrumentation/dalli": "0.25.0",
   "instrumentation/delayed_job": "0.22.1",
diff --git a/instrumentation/active_model_serializers/CHANGELOG.md b/instrumentation/active_model_serializers/CHANGELOG.md
index bfb5529c5..f07e0e073 100644
--- a/instrumentation/active_model_serializers/CHANGELOG.md
+++ b/instrumentation/active_model_serializers/CHANGELOG.md
@@ -1,5 +1,29 @@
 # Release History: opentelemetry-instrumentation-active_model_serializers
 
+## [0.21.0](https://github.com/flywirecorp/opentelemetry-ruby-contrib/compare/opentelemetry-instrumentation-active_model_serializers-v0.20.1...opentelemetry-instrumentation-active_model_serializers/v0.21.0) (2024-02-27)
+
+
+### ⚠ BREAKING CHANGES
+
+* Drop support for EoL Ruby 2.7 ([#389](https://github.com/flywirecorp/opentelemetry-ruby-contrib/issues/389))
+* Remove parent repo libraries ([#3](https://github.com/flywirecorp/opentelemetry-ruby-contrib/issues/3))
+
+### Features
+
+* Drop support for EoL Ruby 2.7 ([#389](https://github.com/flywirecorp/opentelemetry-ruby-contrib/issues/389)) ([233dfd0](https://github.com/flywirecorp/opentelemetry-ruby-contrib/commit/233dfd0dae81346e9687090f9d8dfb85215e0ba7))
+
+
+### Bug Fixes
+
+* Base config options ([#499](https://github.com/flywirecorp/opentelemetry-ruby-contrib/issues/499)) ([7304e86](https://github.com/flywirecorp/opentelemetry-ruby-contrib/commit/7304e86e9a3beba5c20f790b256bbb54469411ca))
+* broken test file requirements ([#1286](https://github.com/flywirecorp/opentelemetry-ruby-contrib/issues/1286)) ([3ec7d8a](https://github.com/flywirecorp/opentelemetry-ruby-contrib/commit/3ec7d8a456dbd3c9bbad7b397a3da8b8a311d8e3))
+* regex non-match with obfuscation limit (issue [#486](https://github.com/flywirecorp/opentelemetry-ruby-contrib/issues/486)) ([#488](https://github.com/flywirecorp/opentelemetry-ruby-contrib/issues/488)) ([6a9c330](https://github.com/flywirecorp/opentelemetry-ruby-contrib/commit/6a9c33088c6c9f39b2bc30247a3ed825553c07d4))
+
+
+### Code Refactoring
+
+* Remove parent repo libraries ([#3](https://github.com/flywirecorp/opentelemetry-ruby-contrib/issues/3)) ([3e85d44](https://github.com/flywirecorp/opentelemetry-ruby-contrib/commit/3e85d4436d338f326816c639cd2087751c63feb1))
+
 ### v0.20.1 / 2023-06-05
 
 * FIXED: Base config options 
diff --git a/instrumentation/active_model_serializers/lib/opentelemetry/instrumentation/active_model_serializers/version.rb b/instrumentation/active_model_serializers/lib/opentelemetry/instrumentation/active_model_serializers/version.rb
index 6fb50e39e..5dc35846a 100644
--- a/instrumentation/active_model_serializers/lib/opentelemetry/instrumentation/active_model_serializers/version.rb
+++ b/instrumentation/active_model_serializers/lib/opentelemetry/instrumentation/active_model_serializers/version.rb
@@ -7,7 +7,7 @@
 module OpenTelemetry
   module Instrumentation
     module ActiveModelSerializers
-      VERSION = '0.20.1'
+      VERSION = '0.21.0'
     end
   end
 end