diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 6af24e3d3..152e76317 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.89.0"
+  ".": "0.89.1"
 }
\ No newline at end of file
diff --git a/.stats.yml b/.stats.yml
index 0ff2976ea..c8a47a3bb 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 157
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/lithic%2Flithic-d44845cfc597e545a51450a62b2185d7a1ce76a3f9ac71145c3e74f99397d42a.yml
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/lithic%2Flithic-8469aee20249c9dcb2b57796df62fd39d2c14668a6853476b6c1bab9c80a4e4c.yml
 openapi_spec_hash: 3339f9fd912f2eb8ba5efc3c73f5d030
-config_hash: e9de93b19060a153a852f7c03f235162
+config_hash: d4866815848851db2d5fe85d4ddcbede
diff --git a/CHANGELOG.md b/CHANGELOG.md
index d3e4d9e65..c58a36c2e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # Changelog
 
+## 0.89.1 (2025-05-05)
+
+Full Changelog: [v0.89.0...v0.89.1](https://github.com/lithic-com/lithic-java/compare/v0.89.0...v0.89.1)
+
+### Bug Fixes
+
+* **internals:** fix servers entry for /v2/auth_rules.get ([936af6d](https://github.com/lithic-com/lithic-java/commit/936af6dc661fa52a6168d22ff4f0115b6967366f))
+
+
+### Chores
+
+* **internal:** update java toolchain ([6760afa](https://github.com/lithic-com/lithic-java/commit/6760afa56392f2a86099fd135b6357b94f1780df))
+
 ## 0.89.0 (2025-04-29)
 
 Full Changelog: [v0.88.0...v0.89.0](https://github.com/lithic-com/lithic-java/compare/v0.88.0...v0.89.0)
diff --git a/README.md b/README.md
index 26030c079..9ce32bd28 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,8 @@
 
 <!-- x-release-please-start-version -->
 
-[![Maven Central](https://img.shields.io/maven-central/v/com.lithic.api/lithic-java)](https://central.sonatype.com/artifact/com.lithic.api/lithic-java/0.89.0)
-[![javadoc](https://javadoc.io/badge2/com.lithic.api/lithic-java/0.89.0/javadoc.svg)](https://javadoc.io/doc/com.lithic.api/lithic-java/0.89.0)
+[![Maven Central](https://img.shields.io/maven-central/v/com.lithic.api/lithic-java)](https://central.sonatype.com/artifact/com.lithic.api/lithic-java/0.89.1)
+[![javadoc](https://javadoc.io/badge2/com.lithic.api/lithic-java/0.89.1/javadoc.svg)](https://javadoc.io/doc/com.lithic.api/lithic-java/0.89.1)
 
 <!-- x-release-please-end -->
 
@@ -13,7 +13,7 @@ The Lithic Java SDK is similar to the Lithic Kotlin SDK but with minor differenc
 
 <!-- x-release-please-start-version -->
 
-The REST API documentation can be found on [docs.lithic.com](https://docs.lithic.com). Javadocs are available on [javadoc.io](https://javadoc.io/doc/com.lithic.api/lithic-java/0.89.0).
+The REST API documentation can be found on [docs.lithic.com](https://docs.lithic.com). Javadocs are available on [javadoc.io](https://javadoc.io/doc/com.lithic.api/lithic-java/0.89.1).
 
 <!-- x-release-please-end -->
 
@@ -24,7 +24,7 @@ The REST API documentation can be found on [docs.lithic.com](https://docs.lithic
 ### Gradle
 
 ```kotlin
-implementation("com.lithic.api:lithic-java:0.89.0")
+implementation("com.lithic.api:lithic-java:0.89.1")
 ```
 
 ### Maven
@@ -33,7 +33,7 @@ implementation("com.lithic.api:lithic-java:0.89.0")
 <dependency>
   <groupId>com.lithic.api</groupId>
   <artifactId>lithic-java</artifactId>
-  <version>0.89.0</version>
+  <version>0.89.1</version>
 </dependency>
 ```
 
diff --git a/build.gradle.kts b/build.gradle.kts
index 8b5925714..d7bc20eb5 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -8,7 +8,7 @@ repositories {
 
 allprojects {
     group = "com.lithic.api"
-    version = "0.89.0" // x-release-please-version
+    version = "0.89.1" // x-release-please-version
 }
 
 subprojects {
diff --git a/buildSrc/src/main/kotlin/lithic.java.gradle.kts b/buildSrc/src/main/kotlin/lithic.java.gradle.kts
index e39d9ac6c..dfbacb86e 100644
--- a/buildSrc/src/main/kotlin/lithic.java.gradle.kts
+++ b/buildSrc/src/main/kotlin/lithic.java.gradle.kts
@@ -21,7 +21,7 @@ configure<SpotlessExtension> {
 
 java {
     toolchain {
-        languageVersion.set(JavaLanguageVersion.of(17))
+        languageVersion.set(JavaLanguageVersion.of(21))
     }
 
     sourceCompatibility = JavaVersion.VERSION_1_8