diff --git a/.gitignore b/.gitignore
index 89fd3586..7c5ff174 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,5 @@
 /.idea/workspace.xml
 /.idea/misc.xml
 /.idea/scopes
-/.idea/gradle.xml
 /.idea/jarRepositories.xml
 /.idea/uiDesigner.xml
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
new file mode 100644
index 00000000..7e08e462
--- /dev/null
+++ b/.idea/gradle.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="11" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+          </set>
+        </option>
+        <option name="useQualifiedModuleNames" value="true" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index c0704678..81e6903d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -27,8 +27,8 @@ apply plugin: 'org.jetbrains.intellij'
 apply plugin: 'maven'
 apply plugin: 'java'
 
-sourceCompatibility = 1.8
-targetCompatibility = 1.8
+sourceCompatibility = 1.11
+targetCompatibility = 1.11
 
 repositories {
     mavenLocal()