diff --git a/.gitignore b/.gitignore
index e6ded2a05..f61983c27 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,8 @@
+build
 target/*
 .settings/*
 .classpath
 .project
-
+.gradle
+.idea
+*.iml
diff --git a/build.gradle b/build.gradle
index 3b873edc6..c054d1e1f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -127,6 +127,7 @@ dependencies {
 
 sourceCompatibility = "${java_version}"
 targetCompatibility = "${java_version}"
+[compileJava, compileTestJava]*.options*.encoding = "${project_build_sourceEncoding}"
 
 processTestResources {
     from(sourceSets.test.java.srcDirs) {