diff --git a/benchmark/build.gradle.kts b/benchmark/build.gradle.kts
index 1650415b..7c212754 100644
--- a/benchmark/build.gradle.kts
+++ b/benchmark/build.gradle.kts
@@ -11,7 +11,6 @@ allOpen {
 
 kotlin {
   jvm()
-  macosX64()
   macosArm64()
   iosX64()
   iosArm64()
diff --git a/buildSrc/src/main/kotlin/convention.multiplatform-lib.gradle.kts b/buildSrc/src/main/kotlin/convention.multiplatform-lib.gradle.kts
index b08aaefd..c13c8e20 100644
--- a/buildSrc/src/main/kotlin/convention.multiplatform-lib.gradle.kts
+++ b/buildSrc/src/main/kotlin/convention.multiplatform-lib.gradle.kts
@@ -27,7 +27,6 @@ kotlin {
     nodejs()
   }
 
-  macosX64()
   macosArm64()
   iosX64()
   iosArm64()
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 12b51a1e..3711881e 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,5 +1,5 @@
 [versions]
-kotlin = "2.3.10"
+kotlin = "2.3.21"
 kotest = "6.1.3"
 detekt = "1.23.8"
 okio = "3.17.0"
diff --git a/json-schema-validator/api/json-schema-validator.api b/json-schema-validator/api/json-schema-validator.api
index 433be239..af62c069 100644
--- a/json-schema-validator/api/json-schema-validator.api
+++ b/json-schema-validator/api/json-schema-validator.api
@@ -156,8 +156,8 @@ public final class io/github/optimumcode/json/schema/JsonSchemaLoader$DefaultImp
 	public static fun register (Lio/github/optimumcode/json/schema/JsonSchemaLoader;Ljava/lang/String;)Lio/github/optimumcode/json/schema/JsonSchemaLoader;
 	public static fun register (Lio/github/optimumcode/json/schema/JsonSchemaLoader;Lkotlinx/serialization/json/JsonElement;)Lio/github/optimumcode/json/schema/JsonSchemaLoader;
 	public static fun register (Lio/github/optimumcode/json/schema/JsonSchemaLoader;Lkotlinx/serialization/json/JsonElement;Lcom/eygraber/uri/Uri;)Lio/github/optimumcode/json/schema/JsonSchemaLoader;
-	public static fun register (Lio/github/optimumcode/json/schema/JsonSchemaLoader;Lkotlinx/serialization/json/JsonElement;Ljava/lang/String;)Lio/github/optimumcode/json/schema/JsonSchemaLoader;
-	public static fun register (Lio/github/optimumcode/json/schema/JsonSchemaLoader;Lkotlinx/serialization/json/JsonElement;Ljava/lang/String;Lio/github/optimumcode/json/schema/SchemaType;)Lio/github/optimumcode/json/schema/JsonSchemaLoader;
+	public static synthetic fun register (Lio/github/optimumcode/json/schema/JsonSchemaLoader;Lkotlinx/serialization/json/JsonElement;Ljava/lang/String;)Lio/github/optimumcode/json/schema/JsonSchemaLoader;
+	public static synthetic fun register (Lio/github/optimumcode/json/schema/JsonSchemaLoader;Lkotlinx/serialization/json/JsonElement;Ljava/lang/String;Lio/github/optimumcode/json/schema/SchemaType;)Lio/github/optimumcode/json/schema/JsonSchemaLoader;
 	public static fun registerWellKnown (Lio/github/optimumcode/json/schema/JsonSchemaLoader;Lio/github/optimumcode/json/schema/SchemaType;)Lio/github/optimumcode/json/schema/JsonSchemaLoader;
 }
 
@@ -346,7 +346,7 @@ public abstract interface class io/github/optimumcode/json/schema/extension/Exte
 
 public final class io/github/optimumcode/json/schema/extension/ExternalAssertion$DefaultImpls {
 	public static fun validate (Lio/github/optimumcode/json/schema/extension/ExternalAssertion;Lio/github/optimumcode/json/schema/model/AbstractElement;Lio/github/optimumcode/json/schema/extension/ExternalAssertionContext;Lio/github/optimumcode/json/schema/ErrorCollector;)Z
-	public static fun validate (Lio/github/optimumcode/json/schema/extension/ExternalAssertion;Lkotlinx/serialization/json/JsonElement;Lio/github/optimumcode/json/schema/extension/ExternalAssertionContext;Lio/github/optimumcode/json/schema/ErrorCollector;)Z
+	public static synthetic fun validate (Lio/github/optimumcode/json/schema/extension/ExternalAssertion;Lkotlinx/serialization/json/JsonElement;Lio/github/optimumcode/json/schema/extension/ExternalAssertionContext;Lio/github/optimumcode/json/schema/ErrorCollector;)Z
 }
 
 public abstract interface class io/github/optimumcode/json/schema/extension/ExternalAssertionContext {
diff --git a/test-suites/build.gradle.kts b/test-suites/build.gradle.kts
index 99830d96..cae10730 100644
--- a/test-suites/build.gradle.kts
+++ b/test-suites/build.gradle.kts
@@ -21,7 +21,6 @@ kotlin {
   // wasmJs target is not added because the okio does not provide a dependency to use FileSystem API in wasmJs target
   applyDefaultHierarchyTemplate()
 
-  macosX64()
   macosArm64()
   iosX64()
   iosArm64()