diff --git a/benchmark/src/main/java/net/woggioni/wson/benchmark/Main.java b/benchmark/src/main/java/net/woggioni/wson/benchmark/Main.java
index a692971..432c655 100644
--- a/benchmark/src/main/java/net/woggioni/wson/benchmark/Main.java
+++ b/benchmark/src/main/java/net/woggioni/wson/benchmark/Main.java
@@ -3,11 +3,11 @@ package net.woggioni.wson.benchmark;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.SneakyThrows;
+import net.woggioni.jwo.Chronometer;
 import net.woggioni.wson.antlr.JSONLexer;
 import net.woggioni.wson.antlr.JSONListenerImpl;
 import net.woggioni.wson.serialization.binary.JBONParser;
 import net.woggioni.wson.serialization.json.JSONParser;
-import net.woggioni.jwo.Chronometer;
 import net.woggioni.wson.value.ObjectValue;
 import net.woggioni.wson.xface.Value;
 import org.antlr.v4.runtime.CharStream;
diff --git a/build.gradle b/build.gradle
index b33fc93..a293227 100644
--- a/build.gradle
+++ b/build.gradle
@@ -39,10 +39,6 @@ allprojects {
     test {
         useJUnitPlatform()
     }
-
-    java {
-        modularity.inferModulePath = true
-    }
 }
 
 ext {
diff --git a/gradle.properties b/gradle.properties
index 2c1ad2a..0757002 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
-wson.version = 2023.03
+wson.version = 2023.009.30
 
-lys.version = 2023.03
+lys.version = 2023.09.26
 
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index ccebba7..c1962a7 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 0c85a1f..c30b486 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-bin.zip
 networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
index 79a61d4..aeb74cb 100755
--- a/gradlew
+++ b/gradlew
@@ -85,9 +85,6 @@ done
 APP_BASE_NAME=${0##*/}
 APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
-# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
-
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
 
@@ -197,6 +194,10 @@ if "$cygwin" || "$msys" ; then
     done
 fi
 
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
 # Collect all arguments for the java command;
 #   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
 #     shell script including quotes and variable substitutions, so put them in
diff --git a/src/main/java/net/woggioni/wson/value/ArrayValue.java b/src/main/java/net/woggioni/wson/value/ArrayValue.java
index 76f26bf..b6f25cb 100644
--- a/src/main/java/net/woggioni/wson/value/ArrayValue.java
+++ b/src/main/java/net/woggioni/wson/value/ArrayValue.java
@@ -4,7 +4,10 @@ import lombok.EqualsAndHashCode;
 import lombok.NonNull;
 import net.woggioni.wson.xface.Value;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
 
 @EqualsAndHashCode
 public class ArrayValue implements Value, Iterable<Value> {
diff --git a/src/main/java/net/woggioni/wson/value/ObjectValue.java b/src/main/java/net/woggioni/wson/value/ObjectValue.java
index e375b19..f4baabb 100644
--- a/src/main/java/net/woggioni/wson/value/ObjectValue.java
+++ b/src/main/java/net/woggioni/wson/value/ObjectValue.java
@@ -2,10 +2,18 @@ package net.woggioni.wson.value;
 
 import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
-import static net.woggioni.jwo.JWO.newThrowable;
 import net.woggioni.wson.xface.Value;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.TreeMap;
+
+import static net.woggioni.jwo.JWO.newThrowable;
 
 public interface ObjectValue extends Value, Iterable<Map.Entry<String, Value>> {
 
diff --git a/src/main/java/net/woggioni/wson/value/StringValue.java b/src/main/java/net/woggioni/wson/value/StringValue.java
index 26e0871..f7caa3e 100644
--- a/src/main/java/net/woggioni/wson/value/StringValue.java
+++ b/src/main/java/net/woggioni/wson/value/StringValue.java
@@ -4,8 +4,6 @@ import lombok.EqualsAndHashCode;
 import lombok.NonNull;
 import net.woggioni.wson.xface.Value;
 
-import java.util.Objects;
-
 @EqualsAndHashCode
 public class StringValue implements Value {
 
diff --git a/src/test/java/net/woggioni/wson/serialization/binary/JBONTest.java b/src/test/java/net/woggioni/wson/serialization/binary/JBONTest.java
index 640a6cb..cd81762 100644
--- a/src/test/java/net/woggioni/wson/serialization/binary/JBONTest.java
+++ b/src/test/java/net/woggioni/wson/serialization/binary/JBONTest.java
@@ -9,7 +9,12 @@ import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.io.TempDir;
 
-import java.io.*;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
 import java.nio.file.Files;
 import java.nio.file.Path;
 
diff --git a/wson-cli/src/main/kotlin/net/woggioni/wson/cli/main.kt b/wson-cli/src/main/kotlin/net/woggioni/wson/cli/main.kt
index 99fa8fb..66547f1 100644
--- a/wson-cli/src/main/kotlin/net/woggioni/wson/cli/main.kt
+++ b/wson-cli/src/main/kotlin/net/woggioni/wson/cli/main.kt
@@ -1,22 +1,22 @@
 package net.woggioni.wson.cli
 
-import com.beust.jcommander.IStringConverter
-import com.beust.jcommander.JCommander
-import com.beust.jcommander.Parameter
-import com.beust.jcommander.ParameterException
-import com.beust.jcommander.converters.PathConverter
-import kotlin.system.exitProcess
-import net.woggioni.wson.serialization.binary.JBONDumper
-import net.woggioni.wson.serialization.binary.JBONParser
-import net.woggioni.wson.serialization.json.JSONDumper
-import net.woggioni.wson.serialization.json.JSONParser
-import net.woggioni.wson.xface.Value
 import java.io.BufferedInputStream
 import java.io.BufferedOutputStream
 import java.io.InputStreamReader
 import java.io.OutputStreamWriter
 import java.nio.file.Files
 import java.nio.file.Path
+import kotlin.system.exitProcess
+import com.beust.jcommander.IStringConverter
+import com.beust.jcommander.JCommander
+import com.beust.jcommander.Parameter
+import com.beust.jcommander.ParameterException
+import com.beust.jcommander.converters.PathConverter
+import net.woggioni.wson.serialization.binary.JBONDumper
+import net.woggioni.wson.serialization.binary.JBONParser
+import net.woggioni.wson.serialization.json.JSONDumper
+import net.woggioni.wson.serialization.json.JSONParser
+import net.woggioni.wson.xface.Value
 
 
 sealed class SerializationFormat(val name: String) {
diff --git a/wson-w3c-json/src/main/java/net/woggioni/wson/jakarta/WsonJsonProvider.java b/wson-w3c-json/src/main/java/net/woggioni/wson/jakarta/WsonJsonProvider.java
index 8bf575c..af4dfcb 100644
--- a/wson-w3c-json/src/main/java/net/woggioni/wson/jakarta/WsonJsonProvider.java
+++ b/wson-w3c-json/src/main/java/net/woggioni/wson/jakarta/WsonJsonProvider.java
@@ -12,7 +12,6 @@ import jakarta.json.stream.JsonGenerator;
 import jakarta.json.stream.JsonGeneratorFactory;
 import jakarta.json.stream.JsonParser;
 import jakarta.json.stream.JsonParserFactory;
-import net.woggioni.wson.value.ObjectValue;
 
 import java.io.InputStream;
 import java.io.OutputStream;
diff --git a/wson-w3c-json/src/main/java/net/woggioni/wson/jakarta/WsonJsonValue.java b/wson-w3c-json/src/main/java/net/woggioni/wson/jakarta/WsonJsonValue.java
index b1a0c40..9e422a6 100644
--- a/wson-w3c-json/src/main/java/net/woggioni/wson/jakarta/WsonJsonValue.java
+++ b/wson-w3c-json/src/main/java/net/woggioni/wson/jakarta/WsonJsonValue.java
@@ -1,24 +1,9 @@
 package net.woggioni.wson.jakarta;
 
-import jakarta.json.JsonArray;
-import jakarta.json.JsonNumber;
-import jakarta.json.JsonObject;
-import jakarta.json.JsonString;
 import jakarta.json.JsonValue;
 import lombok.RequiredArgsConstructor;
-import net.woggioni.jwo.CollectionUtils;
-import net.woggioni.jwo.JWO;
 import net.woggioni.wson.xface.Value;
 
-import java.util.Collection;
-import java.util.Iterator;
-import java.util.List;
-import java.util.ListIterator;
-import java.util.Map;
-import java.util.Set;
-
-import static net.woggioni.jwo.JWO.newThrowable;
-
 @RequiredArgsConstructor
 public class WsonJsonValue implements JsonValue {
     private final Value value;