diff --git a/briar-android-tests/build.gradle b/briar-android-tests/build.gradle
index ba1dd6ec21eb2e86e35dcbd9b08a6af61eae5473..df83aad48703c80b03e0d18402f5679343d82bf3 100644
--- a/briar-android-tests/build.gradle
+++ b/briar-android-tests/build.gradle
@@ -1,6 +1,6 @@
 apply plugin: 'com.android.library'
-sourceCompatibility = 1.6
-targetCompatibility = 1.6
+sourceCompatibility = 1.7
+targetCompatibility = 1.7
 apply plugin: 'witness'
 apply plugin: 'com.neenbedankt.android-apt'
 
diff --git a/briar-android/build.gradle b/briar-android/build.gradle
index 3c4204ba65f3fc7739a673ee2ffeff568fcecaac..c933f1358c7ad32878ce186a806ffdd22f83192f 100644
--- a/briar-android/build.gradle
+++ b/briar-android/build.gradle
@@ -104,8 +104,8 @@ android {
 	}
 
 	compileOptions {
-		sourceCompatibility JavaVersion.VERSION_1_6
-		targetCompatibility JavaVersion.VERSION_1_6
+		sourceCompatibility JavaVersion.VERSION_1_7
+		targetCompatibility JavaVersion.VERSION_1_7
 	}
 
 	lintOptions {
diff --git a/briar-desktop/build.gradle b/briar-desktop/build.gradle
index d8b4ccacb9a128bc4b1240f72c2404da36b5bae6..fb0b7ae7b176b11e37c47c519e05e01ef05981cc 100644
--- a/briar-desktop/build.gradle
+++ b/briar-desktop/build.gradle
@@ -1,6 +1,6 @@
 apply plugin: 'java'
-sourceCompatibility = 1.6
-targetCompatibility = 1.6
+sourceCompatibility = 1.7
+targetCompatibility = 1.7
 
 apply plugin: 'witness'
 
diff --git a/briar-tests/build.gradle b/briar-tests/build.gradle
index b3c2af66e1cda3509e1d645e778b820a55f89c92..eda66becf58c3c51e558d0d55bf4c664430654d2 100644
--- a/briar-tests/build.gradle
+++ b/briar-tests/build.gradle
@@ -1,6 +1,6 @@
 apply plugin: 'java'
-sourceCompatibility = 1.6
-targetCompatibility = 1.6
+sourceCompatibility = 1.7
+targetCompatibility = 1.7
 
 apply plugin: 'witness'