diff --git a/sigstore-java/build.gradle.kts b/sigstore-java/build.gradle.kts
index b4aceb50..60bcac21 100644
--- a/sigstore-java/build.gradle.kts
+++ b/sigstore-java/build.gradle.kts
@@ -3,7 +3,7 @@ import com.google.protobuf.gradle.id
 plugins {
     id("build-logic.java-published-library")
     id("build-logic.test-junit5")
-    id("org.jsonschema2dataclass") version "5.0.0"
+    id("org.jsonschema2dataclass") version "6.0.0"
     id("com.google.protobuf") version "0.9.2"
 }