diff --git a/utbot-framework/src/main/kotlin/org/utbot/framework/codegen/domain/builtin/UtilMethodBuiltins.kt b/utbot-framework/src/main/kotlin/org/utbot/framework/codegen/domain/builtin/UtilMethodBuiltins.kt
index 6f55aa7ccb..84e76f4493 100644
--- a/utbot-framework/src/main/kotlin/org/utbot/framework/codegen/domain/builtin/UtilMethodBuiltins.kt
+++ b/utbot-framework/src/main/kotlin/org/utbot/framework/codegen/domain/builtin/UtilMethodBuiltins.kt
@@ -275,7 +275,7 @@ internal class UtilClassFileMethodProvider(language: CodegenLanguage)
      *
      * **IMPORTANT** if you make any changes to util methods (see [utilMethodTextById]), do not forget to update this version.
      */
-    val UTIL_CLASS_VERSION = "2.0"
+    val UTIL_CLASS_VERSION = "2.1"
 }
 
 internal class TestClassUtilMethodProvider(testClassId: ClassId) : UtilMethodProvider(testClassId)