diff --git a/packages/pigeon/platform_tests/alternate_language_test_plugin/android/build.gradle b/packages/pigeon/platform_tests/alternate_language_test_plugin/android/build.gradle
index 75b9fe0..7baeb35 100644
--- a/packages/pigeon/platform_tests/alternate_language_test_plugin/android/build.gradle
+++ b/packages/pigeon/platform_tests/alternate_language_test_plugin/android/build.gradle
@@ -47,6 +47,6 @@
 
     dependencies {
         testImplementation 'junit:junit:4.+'
-        testImplementation "org.mockito:mockito-core:3.+"
+        testImplementation "org.mockito:mockito-core:4.+"
     }
 }