diff --git a/build.gradle b/build.gradle
index 8bf32e36e4f..a1b613b0ec9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -157,6 +157,7 @@ configure(javaProjects) {
 
     compileJava {
 //        options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation"
+        options.incremental = true
     }
 
     compileTestJava {
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 05144ed5f23..0a442b4de69 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 22ba9aec539..b2d70b7ad33 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Tue Feb 21 10:05:51 PST 2017
+#Sun Mar 05 20:39:47 PST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.4-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.4.1-bin.zip