diff --git a/build.gradle b/build.gradle
index 94862d2e..2755fd62 100644
--- a/build.gradle
+++ b/build.gradle
@@ -19,6 +19,9 @@ allprojects {
         google()
         jcenter()
     }
+    tasks.withType(JavaCompile) {
+        options.compilerArgs << "-Xlint:deprecation"
+    }
 }
 
 task clean(type: Delete) {