diff --git a/app/build.gradle b/app/build.gradle
index 9c732ca..fc8f07c 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -16,7 +16,7 @@ android {
 		}
 	}
 	compileSdkVersion 23
-	buildToolsVersion '25.0.2'
+	buildToolsVersion '26.0.2'
 	defaultConfig {
 		applicationId "us.keithirwin.tracman"
 		minSdkVersion 15
diff --git a/build.gradle b/build.gradle
index 4ffcaee..38d0260 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ buildscript {
 		jcenter()
 	}
 	dependencies {
-		classpath 'com.android.tools.build:gradle:2.3.3'
+		classpath 'com.android.tools.build:gradle:3.0.1'
 		classpath 'com.google.gms:google-services:3.0.0'
 
 		// NOTE: Do not place your application dependencies here; they belong
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index c627fba..6853ea2 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,2 +1,2 @@
-#Fri Mar 03 16:00:54 EST 2017
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
+#Tue Jan 30 09:02:00 ECT 2018
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
diff --git a/release/output.json b/release/output.json
new file mode 100644
index 0000000..49bb886
--- /dev/null
+++ b/release/output.json
@@ -0,0 +1 @@
+[{"outputType":{"type":"APK"},"apkInfo":{"type":"MAIN","splits":[],"versionCode":13},"path":"app-release.apk","properties":{"packageId":"us.keithirwin.tracman","split":"","minSdkVersion":"15"}}]
\ No newline at end of file