diff --git a/build.gradle b/build.gradle
index 74b6dc7..4d2390b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,12 +2,39 @@ group 'com.groovycoder'
 version '0.1-SNAPSHOT'
 
 apply plugin: 'groovy'
+apply plugin: 'maven-publish'
+apply plugin: 'maven'
 
 repositories {
     mavenLocal()
     mavenCentral()
 }
 
+publishing {
+    publications {
+        mavenJava(MavenPublication) {
+            from components.java
+        }
+    }
+
+}
+
+if (project.hasProperty('nexusUrl')) {
+    uploadArchives {
+        repositories {
+            mavenDeployer {
+                repository(url: "${nexusUrl}/repository/maven-releases/") {
+                    authentication(userName: nexusUsername, password: nexusPassword)
+                }
+                snapshotRepository(url: "${nexusUrl}/repository/maven-snapshots") {
+                    authentication(userName: nexusUsername, password: nexusPassword)
+                }
+            }
+        }
+
+    }
+}
+
 dependencies {
     compile group: 'org.spockframework', name: 'spock-core', version: '1.0-groovy-2.4'
     compile 'org.testcontainers:testcontainers:1.2.1'
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 6ffa237..62a1703 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 b4f64af..d4886f7 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Mon Dec 26 16:10:07 CET 2016
+#Sun Jun 25 20:23:21 CEST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.0-bin.zip
diff --git a/gradlew b/gradlew
index 9aa616c..4453cce 100755
--- a/gradlew
+++ b/gradlew
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 ##############################################################################
 ##
@@ -154,16 +154,19 @@ if $cygwin ; then
     esac
 fi
 
-# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
-function splitJvmOpts() {
-    JVM_OPTS=("$@")
+# Escape application args
+save ( ) {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
 }
-eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
-JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+APP_ARGS=$(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" == "$PWD" ]]; then
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
   cd "$(dirname "$0")"
 fi
 
-exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
+exec "$JAVACMD" "$@"