diff --git a/build.gradle b/build.gradle
index 1b649c0..97de734 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,12 +1,12 @@
 plugins {
     id 'java'
-    id 'com.jfrog.bintray' version '1.7.1'
-    id 'org.jetbrains.kotlin.jvm' version '1.3.21'
+    id 'com.jfrog.bintray' version '1.8.5'
+    id 'org.jetbrains.kotlin.jvm' version '1.4.0'
     id "com.github.dcendents.android-maven" version "2.1"
 }
 
 group 'com.stringcare'
-version '4.0.0'
+version '4.0.1'
 
 def siteUrl = 'https://github.com/StringCare/KotlinGradlePlugin'
 def gitUrl = 'https://github.com/StringCare/KotlinGradlePlugin.git'
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index ee69dd6..21e622d 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.4.1-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/src/main/kotlin/components/Vars.kt b/src/main/kotlin/components/Vars.kt
index a3b8744..bb53263 100644
--- a/src/main/kotlin/components/Vars.kt
+++ b/src/main/kotlin/components/Vars.kt
@@ -1,6 +1,6 @@
 package components
 
-internal const val version = "4.0.0"
+internal const val version = "4.0.1"
 internal const val testProjectName = "KotlinSample"
 internal const val defaultMainModule = "app"
 internal const val gradleTaskNameDoctor = "stringcarePreview"
diff --git a/src/main/kotlin/components/jni/libsignKey.dll b/src/main/kotlin/components/jni/libsignKey.dll
index be95e07..d5730b4 100644
Binary files a/src/main/kotlin/components/jni/libsignKey.dll and b/src/main/kotlin/components/jni/libsignKey.dll differ
diff --git a/src/main/kotlin/components/jni/libsignKey.dylib b/src/main/kotlin/components/jni/libsignKey.dylib
index dfe39e5..1499a33 100755
Binary files a/src/main/kotlin/components/jni/libsignKey.dylib and b/src/main/kotlin/components/jni/libsignKey.dylib differ