diff --git a/CHANGELOG.md b/CHANGELOG.md
index 96cdb317..03a5dd10 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,23 @@
 # Change Log
 
-## [Unreleased]
+## [1.9.0]
+
+**Added**
+
+- Add configuration option for behavior on unused license. By default we log, but you can now choose to ignore.
+
+   ```kotlin
+   licensee {
+     unusedAction(IGNORE)
+   }
+   ```
+
+- New fallback URL for ISC.
+
+**Changed**
+
+- Update SPDX database to version 3.22 (2023-10-05).
+
 
 ## [1.8.0] - 2023-09-26
 
@@ -163,7 +180,8 @@ Initial release.
 
 
 
-[Unreleased]: https://github.com/cashapp/licensee/compare/1.8.0...HEAD
+[Unreleased]: https://github.com/cashapp/licensee/compare/1.9.0...HEAD
+[1.9.0]: https://github.com/cashapp/licensee/releases/tag/1.9.0
 [1.8.0]: https://github.com/cashapp/licensee/releases/tag/1.8.0
 [1.7.0]: https://github.com/cashapp/licensee/releases/tag/1.7.0
 [1.6.0]: https://github.com/cashapp/licensee/releases/tag/1.6.0
diff --git a/README.md b/README.md
index 2a526fae..309d4bee 100644
--- a/README.md
+++ b/README.md
@@ -66,7 +66,7 @@ buildscript {
     mavenCentral()
   }
   dependencies {
-    classpath 'app.cash.licensee:licensee-gradle-plugin:1.8.0'
+    classpath 'app.cash.licensee:licensee-gradle-plugin:1.9.0'
   }
 }
 
@@ -86,7 +86,7 @@ buildscript {
     }
   }
   dependencies {
-    classpath 'app.cash.licensee:licensee-gradle-plugin:1.9.0-SNAPSHOT'
+    classpath 'app.cash.licensee:licensee-gradle-plugin:1.10.0-SNAPSHOT'
   }
 }
 
diff --git a/gradle.properties b/gradle.properties
index 626cb27d..5d4e9d9a 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,7 +1,7 @@
 GROUP=app.cash.licensee
 
 # HEY! If you change the major version here be sure to update release.yaml doc target folder!
-VERSION_NAME=1.9.0-SNAPSHOT
+VERSION_NAME=1.9.0
 
 SONATYPE_AUTOMATIC_RELEASE=true
 SONATYPE_HOST=DEFAULT