diff --git a/DEPS b/DEPS
index b4476650d3c3f..1a2aba243360b 100644
--- a/DEPS
+++ b/DEPS
@@ -137,7 +137,7 @@ allowed_hosts = [
 ]
 
 deps = {
-  'src': 'https://github.com/flutter/buildroot.git' + '@' + 'c6bd1f1e25048a97d99cf2fa679bd54ebad94697',
+  'src': 'https://github.com/flutter/buildroot.git' + '@' + '66afc8a17a9d10336a0d592822f3312266357bbd',
 
    # Fuchsia compatibility
    #
@@ -437,7 +437,7 @@ deps = {
      'packages': [
        {
         'package': 'flutter/android/sdk/build-tools/${{platform}}',
-        'version': 'version:28.0.3'
+        'version': 'version:29.0.1'
        }
      ],
      'condition': 'download_android_deps',
@@ -448,7 +448,7 @@ deps = {
      'packages': [
        {
         'package': 'flutter/android/sdk/platform-tools/${{platform}}',
-        'version': 'version:28.0.1'
+        'version': 'version:29.0.2'
        }
      ],
      'condition': 'download_android_deps',
@@ -459,7 +459,7 @@ deps = {
      'packages': [
        {
         'package': 'flutter/android/sdk/platforms',
-        'version': 'version:28r6'
+        'version': 'version:29r1'
        }
      ],
      'condition': 'download_android_deps',
diff --git a/testing/run_tests.py b/testing/run_tests.py
index affc39e487f43..e3d5628cea08b 100755
--- a/testing/run_tests.py
+++ b/testing/run_tests.py
@@ -222,7 +222,7 @@ def RunJavaTests(filter, android_build_variant):
 
   robolectric_dir = os.path.join(buildroot_dir, 'third_party', 'robolectric', 'lib')
   classpath = map(str, [
-    os.path.join(buildroot_dir, 'third_party', 'android_tools', 'sdk', 'platforms', 'android-28', 'android.jar'),
+    os.path.join(buildroot_dir, 'third_party', 'android_tools', 'sdk', 'platforms', 'android-29', 'android.jar'),
     os.path.join(robolectric_dir, '*'), # Wildcard for all jars in the directory
     os.path.join(android_out_dir, 'flutter_java.jar'),
     os.path.join(android_out_dir, 'robolectric_tests.jar')
diff --git a/tools/gen_javadoc.py b/tools/gen_javadoc.py
index 28ccbeb1b8e01..fb9f0ae34c753 100755
--- a/tools/gen_javadoc.py
+++ b/tools/gen_javadoc.py
@@ -31,7 +31,7 @@ def main():
     'third_party/android_support/android_support_compat.jar',
     'third_party/android_support/android_support_fragment.jar',
     'third_party/android_support/android_support_v13.jar',
-    'third_party/android_tools/sdk/platforms/android-28/android.jar',
+    'third_party/android_tools/sdk/platforms/android-29/android.jar',
     'base/android/java/src',
     'third_party/jsr-305/src/ri/src/main/java',
   ]