diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c4563a87..4191c889 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "2.22.0"
+  ".": "3.0.0"
 }
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index acca90e9..c5be96c5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,40 @@
 # Changelog
 
+## 3.0.0 (2024-11-05)
+
+Full Changelog: [v2.22.0...v3.0.0](https://github.com/Modern-Treasury/modern-treasury-java/compare/v2.22.0...v3.0.0)
+
+### ⚠ BREAKING CHANGES
+
+* **client:** add/rename methods for headers/query params ([#257](https://github.com/Modern-Treasury/modern-treasury-java/issues/257))
+* **client:** rename header and query params builder methods ([#256](https://github.com/Modern-Treasury/modern-treasury-java/issues/256))
+
+### Features
+
+* **client:** add `Headers` class ([#253](https://github.com/Modern-Treasury/modern-treasury-java/issues/253)) ([9ae3cb0](https://github.com/Modern-Treasury/modern-treasury-java/commit/9ae3cb0fd30d7bfecac0aff5923a88e4662e97c2))
+* **client:** add `QueryParams` class ([#254](https://github.com/Modern-Treasury/modern-treasury-java/issues/254)) ([601fe61](https://github.com/Modern-Treasury/modern-treasury-java/commit/601fe619287a1f67c242c67fcc1e0efd2c9b8982))
+* **client:** add/rename methods for headers/query params ([#257](https://github.com/Modern-Treasury/modern-treasury-java/issues/257)) ([9f958bf](https://github.com/Modern-Treasury/modern-treasury-java/commit/9f958bf851ece25e97928672280ed03beff615c2))
+* **client:** clean up resource leaks when the resource becomes phantom reachable ([#246](https://github.com/Modern-Treasury/modern-treasury-java/issues/246)) ([29fe5a2](https://github.com/Modern-Treasury/modern-treasury-java/commit/29fe5a2c1c10c5bd2c67cf595d2f97e3c8ed3514))
+* **client:** propagate headers/query params methods to client builders ([#255](https://github.com/Modern-Treasury/modern-treasury-java/issues/255)) ([ad29c09](https://github.com/Modern-Treasury/modern-treasury-java/commit/ad29c0990945140ca0ca47414f845ee183ca460f))
+
+
+### Bug Fixes
+
+* **client:** ensure constructed objects are immutable ([#251](https://github.com/Modern-Treasury/modern-treasury-java/issues/251)) ([36f41da](https://github.com/Modern-Treasury/modern-treasury-java/commit/36f41da5ad8229377b4bef7fe4d4a69b05666771))
+
+
+### Styles
+
+* **internal:** make `getOrThrow` terse and consistent ([#248](https://github.com/Modern-Treasury/modern-treasury-java/issues/248)) ([f285344](https://github.com/Modern-Treasury/modern-treasury-java/commit/f285344a8d9b20fa9f99897ee205ecd5c34039e4))
+
+
+### Refactors
+
+* **client:** http request methods ([#258](https://github.com/Modern-Treasury/modern-treasury-java/issues/258)) ([1b773c6](https://github.com/Modern-Treasury/modern-treasury-java/commit/1b773c6390d47c68b6211d165aaa92b5bc9b2c97))
+* **client:** rename header and query params builder methods ([#256](https://github.com/Modern-Treasury/modern-treasury-java/issues/256)) ([3d636ab](https://github.com/Modern-Treasury/modern-treasury-java/commit/3d636ab107098a47e9d33ce10dd238dacc489640))
+* **internal:** inline `MoreExecutors` usage ([#250](https://github.com/Modern-Treasury/modern-treasury-java/issues/250)) ([345de16](https://github.com/Modern-Treasury/modern-treasury-java/commit/345de16deae1f3810e2f758a8a5f163ba6d32c32))
+* **internal:** polish `ClientOptions` ([#252](https://github.com/Modern-Treasury/modern-treasury-java/issues/252)) ([43a21da](https://github.com/Modern-Treasury/modern-treasury-java/commit/43a21da1d9ada7f691b0d1f8ccfd357a52071d2b))
+
 ## 2.22.0 (2024-10-25)
 
 Full Changelog: [v2.21.1...v2.22.0](https://github.com/Modern-Treasury/modern-treasury-java/compare/v2.21.1...v2.22.0)
diff --git a/README.md b/README.md
index 3fb66cc9..5908e7bf 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 <!-- x-release-please-start-version -->
 
-[![Maven Central](https://img.shields.io/maven-central/v/com.moderntreasury.api/modern-treasury-java)](https://central.sonatype.com/artifact/com.moderntreasury.api/modern-treasury-java/2.22.0)
+[![Maven Central](https://img.shields.io/maven-central/v/com.moderntreasury.api/modern-treasury-java)](https://central.sonatype.com/artifact/com.moderntreasury.api/modern-treasury-java/3.0.0)
 
 <!-- x-release-please-end -->
 
@@ -25,7 +25,7 @@ The REST API documentation can be found on [docs.moderntreasury.com](https://do
 <!-- x-release-please-start-version -->
 
 ```kotlin
-implementation("com.moderntreasury:modern-treasury-java:2.22.0")
+implementation("com.moderntreasury:modern-treasury-java:3.0.0")
 ```
 
 #### Maven
@@ -34,7 +34,7 @@ implementation("com.moderntreasury:modern-treasury-java:2.22.0")
 <dependency>
     <groupId>com.moderntreasury</groupId>
     <artifactId>modern-treasury-java</artifactId>
-    <version>2.22.0</version>
+    <version>3.0.0</version>
 </dependency>
 ```
 
diff --git a/build.gradle.kts b/build.gradle.kts
index 40ac1fa2..cb763e9a 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -4,7 +4,7 @@ plugins {
 
 allprojects {
     group = "com.moderntreasury"
-    version = "2.22.0" // x-release-please-version
+    version = "3.0.0" // x-release-please-version
 }
 
 nexusPublishing {