upgrade gradle

build.gradle

@@ -1,19 +1,24 @@
-group = 'mc-project'
-version = '0.0-SNAPSHOT'
-
 apply plugin: 'java'
 
-repositories {
-    mavenLocal()
-    mavenCentral()
+wrapper {
+    gradleVersion = '5.3'
+    distributionType = Wrapper.DistributionType.BIN
 }
 
+project.group = projectGroup
+project.version = projectVersion
+
 compileJava {
     sourceCompatibility = 1.8
     targetCompatibility = 1.8
     options.encoding = 'UTF-8'
 }
 
+repositories {
+    mavenLocal()
+    mavenCentral()
+}
+
 ext {
     slf4j_version  = '1.7.25'
     lombok_version = '1.18.2'
@@ -21,7 +26,7 @@ ext {
 
 dependencies {
     /* LOGGER */
-    compile (group: 'org.slf4j', name: 'slf4j-api',      version: slf4j_version)
+    compile (group: 'org.slf4j', name: 'slf4j-api', version: slf4j_version)
 
     /* COMPONENTS */
     compile (group: 'com.google.guava', name: 'guava', version: '28.0-jre')