diff --git a/openai-java-proguard-test/build.gradle.kts b/openai-java-proguard-test/build.gradle.kts
index 7efdcff41..9844934c2 100644
--- a/openai-java-proguard-test/build.gradle.kts
+++ b/openai-java-proguard-test/build.gradle.kts
@@ -1,6 +1,6 @@
 plugins {
     id("openai.kotlin")
-    id("com.gradleup.shadow") version "8.3.8"
+    id("com.gradleup.shadow") version "9.6.1"
 }
 
 buildscript {