diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4722c44..24140b0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 # Changelog
 
+## [9.0] - 2024-01-30
+
+### Added
+- `IMixinConfigHijacker` API, allows denial of mixin configurations from being applied (idea: @Desoroxxx)
+
+### Changed
+- Updated MixinExtras to 0.3.5
+
+### Fixed
+- Mixin information being duplicated in crash reports in certain situations
+
 ## [8.9] - 2023-11-02
 
 ### Changed
diff --git a/gradle.properties b/gradle.properties
index d356dc1..a25506c 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
 org.gradle.jvmargs=-Xmx3G
-mod_version=8.9
+mod_version=9.0
 mod_name=MixinBooter
 version_type=beta
\ No newline at end of file
diff --git a/src/main/java/zone/rong/mixinbooter/IMixinConfigHijacker.java b/src/main/java/zone/rong/mixinbooter/IMixinConfigHijacker.java
index 83d1582..cfc2620 100644
--- a/src/main/java/zone/rong/mixinbooter/IMixinConfigHijacker.java
+++ b/src/main/java/zone/rong/mixinbooter/IMixinConfigHijacker.java
@@ -6,6 +6,8 @@
  * Hijackers are used to stop certain mixin configurations from ever being applied.
  * Usage is similar to {@link IEarlyMixinLoader}, implement it in your coremod class.
  * Requested by: @Desoroxxx
+ *
+ * @since 9.0
  */
 public interface IMixinConfigHijacker {