diff --git a/app/build.gradle b/app/build.gradle
index 6dcc647b8..a1365bd75 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -33,6 +33,9 @@ configurations {
 }

 dependencies {
+    // debugImplementation because LeakCanary should only run in debug builds.
+    debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.7'
+
     testImplementation 'junit:junit:4.12'
     testImplementation('org.robolectric:robolectric:4.3.1') {
         exclude(group: 'org.bouncycastle', module: 'bcprov-jdk15on')