diff --git a/.gitignore b/.gitignore
index 5662ca5..371505f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,3 @@
-/core/
 /build/
 /gradle/
 /gradlew
diff --git a/core/build.gradle b/core/build.gradle
new file mode 100644
index 0000000..01ed732
--- /dev/null
+++ b/core/build.gradle
@@ -0,0 +1,6 @@
+sourceCompatibility = 17
+[compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
+
+sourceSets.main.java.srcDirs = [ "src/" ]
+
+eclipse.project.name = appName + "-core"