diff --git a/.github/template-cleanup/gradle.properties b/.github/template-cleanup/gradle.properties
index fbd6e7b..1c4106e 100644
--- a/.github/template-cleanup/gradle.properties
+++ b/.github/template-cleanup/gradle.properties
@@ -20,7 +20,7 @@ platformPlugins =
 platformBundledPlugins =
 
 # Gradle Releases -> https://github.com/gradle/gradle/releases
-gradleVersion = 8.14.3
+gradleVersion = 9.0.0
 
 # Opt-out flag for bundling Kotlin standard library -> https://jb.gg/intellij-platform-kotlin-stdlib
 kotlin.stdlib.default.dependency = false
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c0aab29..62cfd58 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,8 +4,14 @@
 
 ## [Unreleased]
 
+### Added
+
 - Added `.DS_Store` directory to `.gitignore`
 
+### Changed
+
+- Upgrade Gradle Wrapper to `9.0.0`
+
 ## [2.2.0] - 2025-08-05
 
 ### Added
diff --git a/gradle.properties b/gradle.properties
index 3190cc5..24e9fa5 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -20,7 +20,7 @@ platformPlugins =
 platformBundledPlugins =
 
 # Gradle Releases -> https://github.com/gradle/gradle/releases
-gradleVersion = 8.14.3
+gradleVersion = 9.0.0
 
 # Opt-out flag for bundling Kotlin standard library -> https://jb.gg/intellij-platform-kotlin-stdlib
 kotlin.stdlib.default.dependency = false
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 1b33c55..8bdaf60 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index d4081da..2a84e18 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.0.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/gradlew b/gradlew
index 23d15a9..ef07e01 100755
--- a/gradlew
+++ b/gradlew
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 #
-# Copyright © 2015-2021 the original authors.
+# Copyright © 2015 the original authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.