diff --git a/.travis.yml b/.travis.yml
index 5c01d6b..8a2357f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@ language: android
 
 android:
   components:
-    - build-tools-28.0.3
+    - build-tools-29.0.2
     - android-28
     - extra-android-m2repository
   licenses:
@@ -13,5 +13,8 @@ jdk:
 
 dist: trusty
 
+before_script:
+  - yes | sdkmanager "build-tools;28.0.3"
+
 script:
   - ./gradlew assembleDebug testDebugUnitTest
diff --git a/build.gradle b/build.gradle
index d8ab9c1..40e8135 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,19 +4,19 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.4.2'
+        classpath 'com.android.tools.build:gradle:3.5.0'
     }
 }
 
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion project.hasProperty("defaultCompileSdkVersion") ? defaultCompileSdkVersion : 28
+    compileSdkVersion project.hasProperty("defaultCompileSdkVersion") ? defaultCompileSdkVersion : 29
     buildToolsVersion project.hasProperty("defaultBuildToolsVersion") ? defaultBuildToolsVersion : "28.0.3"
 
     defaultConfig {
         minSdkVersion 9
-        targetSdkVersion project.hasProperty("defaultTargetSdkVersion") ? defaultTargetSdkVersion : 28
+        targetSdkVersion project.hasProperty("defaultTargetSdkVersion") ? defaultTargetSdkVersion : 29
     }
 
     buildTypes {
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index eb35b0e..c55db5c 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-5.5.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6-all.zip