diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index a70d798..bdb5c71 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,7 +1,7 @@
 [versions]
 kotlin = "2.3.21"
 clikt = "5.1.0"
-spotless = "8.8.0"
+spotless = "8.9.0"
 kaitai = "0.11"
 coroutines = "1.11.0"
 kstatemachine = "0.38.1"
diff --git a/gradle/verification-metadata.xml b/gradle/verification-metadata.xml
index 4a67741..510c22f 100644
--- a/gradle/verification-metadata.xml
+++ b/gradle/verification-metadata.xml
@@ -164,6 +164,11 @@
             <sha256 value="ae32040d609aafc8e969407d941e8e009fbfbe1991d40e067537bdbe5c52371a" origin="Generated by Gradle" reason="Artifact is not signed"/>
          </artifact>
       </component>
+      <component group="com.diffplug.spotless" name="com.diffplug.spotless.gradle.plugin" version="8.9.0">
+         <artifact name="com.diffplug.spotless.gradle.plugin-8.9.0.pom">
+            <sha256 value="2a24a274b325723b81d501afe9f8ee3533492be58ad95215ba4704877f5ee18d" origin="Generated by Gradle" reason="Artifact is not signed"/>
+         </artifact>
+      </component>
       <component group="com.ethlo.time" name="itu" version="1.14.0">
          <artifact name="itu-1.14.0.jar">
             <pgp value="B18679A17A21DE79FF9DE8B0636D10E7975B6E6F"/>