diff --git a/.gitignore b/.gitignore
index 46ed28c05..d2137cb22 100644
--- a/.gitignore
+++ b/.gitignore
@@ -128,3 +128,5 @@ build/
 # Ignore Gradle GUI config
 gradle-app.setting
 *.iml
+
+javadoc/
diff --git a/build.gradle b/build.gradle
index e1c4af140..7fc99bf89 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.3'
+        classpath 'com.android.tools.build:gradle:2.3.3'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index b1bf8abb4..66b2b75d1 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Fri Sep 09 16:49:33 CEST 2016
+#Sun Aug 06 18:02:35 CEST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
diff --git a/library/build.gradle b/library/build.gradle
index c7ebe1629..3a931bdaa 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -6,7 +6,7 @@ repositories {
 
 android {
     compileSdkVersion 23
-    buildToolsVersion "23.0.1"
+    buildToolsVersion '25.0.0'
 
     defaultConfig {
         minSdkVersion 9
diff --git a/library/gradle-mvn-push.gradle b/library/gradle-mvn-push.gradle
index b7ec5818f..b29a1fc82 100644
--- a/library/gradle-mvn-push.gradle
+++ b/library/gradle-mvn-push.gradle
@@ -94,8 +94,8 @@ afterEvaluate { project ->
 
     task androidJavadocs(type: Javadoc) {
         source = android.sourceSets.main.java.srcDirs
-        classpath += project.files(android.getBootClasspath().join(File.pathSeparator))
         classpath += configurations.javadocDeps
+        classpath += project.files(android.getBootClasspath().join(File.pathSeparator))
     }
 
     task androidJavadocsJar(type: Jar, dependsOn: androidJavadocs) {
@@ -108,8 +108,8 @@ afterEvaluate { project ->
         from android.sourceSets.main.java.sourceFiles
     }
 
-    artifacts {
+    /* artifacts {
         archives androidSourcesJar
         archives androidJavadocsJar
-    }
+    } */
 }
\ No newline at end of file
diff --git a/sample/build.gradle b/sample/build.gradle
index 4ceeab2f1..30164035a 100644
--- a/sample/build.gradle
+++ b/sample/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 23
-    buildToolsVersion "23.0.1"
+    buildToolsVersion '25.0.0'
 
     defaultConfig {
         applicationId "com.alamkanak.weekview"