diff --git a/build.gradle.kts b/build.gradle.kts
index d4c6eab3..f1a1178a 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -18,7 +18,7 @@ val jacksonVersion = libs.versions.jackson.get()
 val generatedSrcPath = "${layout.buildDirectory.get()}/generated/kotlin"
 
 group = groupStr
-version = "${jacksonVersion}-beta33"
+version = "${jacksonVersion}-beta34"
 
 repositories {
     mavenCentral()
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 6abf9f63..27dfdeca 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,6 +1,6 @@
 [versions]
 kotlin = "2.1.21" # Mainly for CI, it can be rewritten by environment variable.
-jackson = "2.20.2"
+jackson = "2.21.0"
 
 # test libs
 junit = "5.14.3"
diff --git a/src/test/kotlin/io/github/projectmapk/jackson/module/kogera/zPorted/test/github/Github722.kt b/src/test/kotlin/io/github/projectmapk/jackson/module/kogera/zPorted/test/github/Github722.kt
index d2c740fa..3c3da57c 100644
--- a/src/test/kotlin/io/github/projectmapk/jackson/module/kogera/zPorted/test/github/Github722.kt
+++ b/src/test/kotlin/io/github/projectmapk/jackson/module/kogera/zPorted/test/github/Github722.kt
@@ -10,7 +10,7 @@ import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.Test
 
 private class Github722 {
-    data class FailingDto @JsonCreator constructor(
+    data class FailingDto(
         @JacksonInject("foo")
         @JsonProperty("foo")
         val foo: Int = 100,