diff --git a/tools/gradle/repositories.properties b/tools/gradle/repositories.properties
new file mode 100644
index 0000000..378d454
--- /dev/null
+++ b/tools/gradle/repositories.properties
@@ -0,0 +1,3 @@
+repositories {
+    maven { url "$rootDir/prebuilts/maven_repo/robolectric" }
+}