diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e6908c2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+.gradle
+build
+
+.idea
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
index a36e4ea..900cc98 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,3 @@
 language: java
 jdk:
- - oraclejdk7
\ No newline at end of file
+ - openjdk8
\ No newline at end of file
diff --git a/README.md b/README.md
index 3b4bd05..2b0620c 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 [![Build Status](https://travis-ci.org/dnault/libresample4j.svg?branch=master)](https://travis-ci.org/dnault/libresample4j)
 [![LGPL 2.1](https://img.shields.io/badge/license-LGPL%202.1-blue.svg)](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html#SEC1)
-![Java 1.5+](https://img.shields.io/badge/java-1.5+-lightgray.svg)
+![Java 1.5+](https://img.shields.io/badge/java-1.7+-lightgray.svg)
 
 # libresample4j
 
diff --git a/build.gradle b/build.gradle
index 096e60a..95732fc 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,21 +1,19 @@
 
 plugins {
-    id "java"
-    id "idea"
+    id 'java-library'
 }
 
 repositories {
-    jcenter()
+    mavenCentral()
 }
 
 dependencies {
-    testCompile 'junit:junit:4.12'
-    testCompile 'net.java.dev.jna:jna-platform:4.2.2'
-
+    testImplementation 'junit:junit:4.12'
+    testImplementation 'net.java.dev.jna:jna-platform:4.2.2'
 }
 
 group = "com.github.dnault"
 version = "0.1.0-SNAPSHOT"
 
-targetCompatibility = "1.5"
-sourceCompatibility = "1.5"
\ No newline at end of file
+targetCompatibility = '1.7'
+sourceCompatibility = '1.7'
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 9b20f1a..4f1d5c7 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.13-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.8.2-bin.zip