diff --git a/android/build.gradle b/android/build.gradle
index acea41088a..6f2e209045 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -8,8 +8,8 @@ repositories {
 }
 
 dependencies {
-    compile 'com.android.support:support-v4:22.1.1'
-    compile 'org.sufficientlysecure:donations:2.5'
+    implementation 'com.android.support:support-v4:22.1.1'
+    implementation 'org.sufficientlysecure:donations:2.5'
 }
 
 android {
diff --git a/build.gradle b/build.gradle
index c2cb1c9052..8d7fc9e47b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -73,16 +73,16 @@ project(":android") {
     configurations { natives }
 
     dependencies {
-        compile project(":core")
-        compile project(":kryonet")
-        compile "com.badlogicgames.gdx:gdx-backend-android:$gdxVersion"
+        implementation project(":core")
+        implementation project(":kryonet")
+        implementation "com.badlogicgames.gdx:gdx-backend-android:$gdxVersion"
         natives "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-armeabi"
         natives "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-armeabi-v7a"
         natives "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-arm64-v8a"
         natives "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-x86"
         natives "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-x86_64"
-        compile "com.badlogicgames.gdx:gdx-ai:$aiVersion"
-        compile "com.badlogicgames.gdx:gdx-controllers-android:$gdxVersion"
+        implementation "com.badlogicgames.gdx:gdx-ai:$aiVersion"
+        implementation "com.badlogicgames.gdx:gdx-controllers-android:$gdxVersion"
     }
 }
 
diff --git a/core/src/io/anuke/mindustry/ai/OptimizedGraph.java b/core/src/io/anuke/mindustry/ai/OptimizedGraph.java
index 9f4a7bf965..40df66bc89 100644
--- a/core/src/io/anuke/mindustry/ai/OptimizedGraph.java
+++ b/core/src/io/anuke/mindustry/ai/OptimizedGraph.java
@@ -5,5 +5,5 @@ import com.badlogic.gdx.ai.pfa.indexed.IndexedGraph;
 /**An interface for an indexed graph that doesn't use allocations for connections.*/
 public interface OptimizedGraph<N> extends IndexedGraph<N> {
     /**This is used in the same way as getConnections(), but does not use Connection objects.*/
-    public N[] connectionsOf(N node);
+    N[] connectionsOf(N node);
 }
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 8a55292392..746a7bf80a 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-4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.5-all.zip