diff --git a/build.gradle b/build.gradle
index 432d0dc1..6a1b0754 100644
--- a/build.gradle
+++ b/build.gradle
@@ -19,7 +19,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.3'
+        classpath 'com.android.tools.build:gradle:2.3.1'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:1.4.1'
     }
 }
diff --git a/extern/GmsApi b/extern/GmsApi
index 3933ac65..d47ab8f2 160000
--- a/extern/GmsApi
+++ b/extern/GmsApi
@@ -1 +1 @@
-Subproject commit 3933ac65c7079f253154c0527ad36fc6d2fd9f89
+Subproject commit d47ab8f248dd782a9f554cc007f41e97f79be680
diff --git a/extern/GmsLib b/extern/GmsLib
index a0300494..b71d6ceb 160000
--- a/extern/GmsLib
+++ b/extern/GmsLib
@@ -1 +1 @@
-Subproject commit a0300494f6cf65334c1d2f969571ef6069579bca
+Subproject commit b71d6ceb7e81b7df32147651a6b0db9be2733197
diff --git a/extern/UnifiedNlp b/extern/UnifiedNlp
index 92093f62..1613778a 160000
--- a/extern/UnifiedNlp
+++ b/extern/UnifiedNlp
@@ -1 +1 @@
-Subproject commit 92093f6238c9ec3f41c008005ef0bd2fe2aecbb6
+Subproject commit 1613778a5e075ca2a15acfd86aee102a9df83bd9