diff --git a/kotlin-js/build.gradle b/kotlin-js/build.gradle
old mode 100755
new mode 100644
index 9efef0f475..ede6f51448
--- a/kotlin-js/build.gradle
+++ b/kotlin-js/build.gradle
@@ -1,27 +1,27 @@
-buildscript {
-    ext.kotlin_version = '1.2.41'
-    repositories {
-        mavenCentral()
-    }
-    dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-    }
-}
-
-group 'com.baeldung'
-version '1.0-SNAPSHOT'
-apply plugin: 'kotlin2js'
-
-repositories {
-    mavenCentral()
-}
-
-dependencies {
-    compile "org.jetbrains.kotlin:kotlin-stdlib-js:$kotlin_version"
-    testCompile "org.jetbrains.kotlin:kotlin-test-js:$kotlin_version"
-}
-
-compileKotlin2Js.kotlinOptions {
-    moduleKind = "commonjs"
-    outputFile = "node/crypto.js"
-}
+buildscript {
+    ext.kotlin_version = '1.4.10'
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+group 'com.baeldung'
+version '1.0-SNAPSHOT'
+apply plugin: 'kotlin2js'
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    compile "org.jetbrains.kotlin:kotlin-stdlib-js:$kotlin_version"
+    testCompile "org.jetbrains.kotlin:kotlin-test-js:$kotlin_version"
+}
+
+compileKotlin2Js.kotlinOptions {
+    moduleKind = "commonjs"
+    outputFile = "node/crypto.js"
+}
diff --git a/kotlin-js/gradle/wrapper/gradle-wrapper.jar b/kotlin-js/gradle/wrapper/gradle-wrapper.jar
index 01b8bf6b1f..490fda8577 100644
Binary files a/kotlin-js/gradle/wrapper/gradle-wrapper.jar and b/kotlin-js/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/kotlin-js/gradle/wrapper/gradle-wrapper.properties b/kotlin-js/gradle/wrapper/gradle-wrapper.properties
index 933b6473ce..a4b4429748 100644
--- a/kotlin-js/gradle/wrapper/gradle-wrapper.properties
+++ b/kotlin-js/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-bin.zip
diff --git a/kotlin-js/gradlew b/kotlin-js/gradlew
index cccdd3d517..2fe81a7d95 100755
--- a/kotlin-js/gradlew
+++ b/kotlin-js/gradlew
@@ -1,5 +1,21 @@
 #!/usr/bin/env sh
 
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
 ##############################################################################
 ##
 ##  Gradle start up script for UN*X
@@ -28,7 +44,7 @@ APP_NAME="Gradle"
 APP_BASE_NAME=`basename "$0"`
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD="maximum"
@@ -109,8 +125,8 @@ if $darwin; then
     GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
 fi
 
-# For Cygwin, switch paths to Windows format before running java
-if $cygwin ; then
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
     JAVACMD=`cygpath --unix "$JAVACMD"`
@@ -138,19 +154,19 @@ if $cygwin ; then
         else
             eval `echo args$i`="\"$arg\""
         fi
-        i=$((i+1))
+        i=`expr $i + 1`
     done
     case $i in
-        (0) set -- ;;
-        (1) set -- "$args0" ;;
-        (2) set -- "$args0" "$args1" ;;
-        (3) set -- "$args0" "$args1" "$args2" ;;
-        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
-        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
-        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
-        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
-        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
-        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
     esac
 fi
 
@@ -159,14 +175,9 @@ save () {
     for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
     echo " "
 }
-APP_ARGS=$(save "$@")
+APP_ARGS=`save "$@"`
 
 # Collect all arguments for the java command, following the shell quoting and substitution rules
 eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
 
-# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
-if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
-  cd "$(dirname "$0")"
-fi
-
 exec "$JAVACMD" "$@"
diff --git a/kotlin-js/gradlew.bat b/kotlin-js/gradlew.bat
old mode 100755
new mode 100644
index e95643d6a2..9109989e3c
--- a/kotlin-js/gradlew.bat
+++ b/kotlin-js/gradlew.bat
@@ -1,3 +1,19 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
 @if "%DEBUG%" == "" @echo off
 @rem ##########################################################################
 @rem
@@ -13,8 +29,11 @@ if "%DIRNAME%" == "" set DIRNAME=.
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
 @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS=
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
 
 @rem Find java.exe
 if defined JAVA_HOME goto findJavaFromJavaHome
diff --git a/kotlin-js/package.json b/kotlin-js/package.json
old mode 100755
new mode 100644
index c75313e3ff..711627307a
--- a/kotlin-js/package.json
+++ b/kotlin-js/package.json
@@ -1,17 +1,15 @@
 {
-  "name": "kotlin-node.js",
+  "name": "kotlin-node",
   "version": "1.0.0",
-  "description": "Example of using NodeJS in Kotlin",
+  "description": "kotlin node ex",
   "main": "crypto.js",
-  "dependencies": {
-    "express": "^4.15.2",
-    "fs": "0.0.1-security",
-    "kotlin": "^1.1.0",
-    "node.js": "0.0.0",
-    "request": "^2.85.0"
-  },
-  "devDependencies": {},
   "scripts": {
-    "start": "node node/crypto.js"
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.17.1",
+    "kotlin": "^1.4.10"
   }
 }
diff --git a/kotlin-js/settings.gradle b/kotlin-js/settings.gradle
index 64767a30c5..30c62d39ef 100755
--- a/kotlin-js/settings.gradle
+++ b/kotlin-js/settings.gradle
@@ -1 +1 @@
-rootProject.name = 'KotlinNode'
+rootProject.name = 'kotlin-node'