diff --git a/build.gradle b/build.gradle
index 576f2106ca..125416e1e5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -17,7 +17,7 @@ plugins {
     id 'eclipse'
     id 'jacoco'
     id 'com.google.osdetector' version '1.4.0'
-    id 'com.github.johnrengelman.shadow' version '1.2.2'
+    id 'com.github.johnrengelman.shadow' version '1.2.3'
 }
 apply plugin: 'nebula-aggregate-javadocs'
 
@@ -371,5 +371,5 @@ task jacocoRootReport(type: JacocoReport, group: 'Coverage reports') {
 check.dependsOn jacocoRootReport
 
 task wrapper(type: Wrapper) {
-    gradleVersion = '2.10'
+    gradleVersion = '2.13'
 }
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 13372aef5e..2c6137b878 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 10c3166f19..e2badeae70 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Mon Jan 04 19:05:21 EST 2016
+#Thu May 12 15:14:42 EDT 2016
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.10-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.13-bin.zip
diff --git a/gradlew.bat b/gradlew.bat
index aec99730b4..72d362dafd 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -46,7 +46,7 @@ echo location of your Java installation.
 goto fail
 
 :init
-@rem Get command-line arguments, handling Windowz variants
+@rem Get command-line arguments, handling Windows variants
 
 if not "%OS%" == "Windows_NT" goto win9xME_args
 if "%@eval[2+2]" == "4" goto 4NT_args