diff --git a/android/build.gradle b/android/build.gradle
index de9e59b0..e880dc0e 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -1,10 +1,11 @@
 buildscript {
     repositories {
         mavenCentral()
+        jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.0.0'
+        classpath 'com.android.tools.build:gradle:2.2.0'
     }
 }
 
diff --git a/build.gradle b/build.gradle
index 1be33004..28a8df1d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 subprojects {
     ext.version_number     = "2.2.0"
     ext.group_info         = "org.whispersystems"
-    ext.curve25519_version = "0.2.4"
+    ext.curve25519_version = "0.3.0"
 
     if (JavaVersion.current().isJava8Compatible()) {
         allprojects {
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 1800e04a..779dbf4d 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-2.2.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
diff --git a/settings.gradle b/settings.gradle
index 4a565e57..7412250b 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1 +1 @@
-include ':java', ':tests'
+include ':java', ':android', ':tests'