diff --git a/.travis.yml b/.travis.yml
index ef67848f3..1cc5597e4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@ dist: trusty
 language: android
 android:
   components:
-  - build-tools-28.0.3
+  - build-tools-29.0.2
   - android-27
   - extra-android-m2repository
   - extra-google-m2repository
diff --git a/common.gradle b/common.gradle
index d5a2b404b..0272bf303 100644
--- a/common.gradle
+++ b/common.gradle
@@ -1,6 +1,6 @@
 android {
     compileSdkVersion 27
-    buildToolsVersion '28.0.3'
+    buildToolsVersion '29.0.2'
 
     buildTypes {
         release {
diff --git a/lib/extension/build.gradle b/lib/extension/build.gradle
index a69da9c9a..1dfdd8c83 100644
--- a/lib/extension/build.gradle
+++ b/lib/extension/build.gradle
@@ -3,7 +3,7 @@ apply plugin: 'kotlin-android'
 
 android {
     compileSdkVersion 27
-    buildToolsVersion '28.0.3'
+    buildToolsVersion '29.0.2'
 
     defaultConfig {
         minSdkVersion 16
diff --git a/lib/ratelimit/build.gradle b/lib/ratelimit/build.gradle
index 814d8e947..547eee1a0 100644
--- a/lib/ratelimit/build.gradle
+++ b/lib/ratelimit/build.gradle
@@ -3,7 +3,7 @@ apply plugin: 'kotlin-android'
 
 android {
     compileSdkVersion 27
-    buildToolsVersion '28.0.3'
+    buildToolsVersion '29.0.2'
 
     defaultConfig {
         minSdkVersion 16