diff --git a/app/build.gradle b/app/build.gradle
index f83df65d..9277a792 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -126,6 +126,8 @@ android {
 }
 
 dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+
     def acraVersion = '5.2.1'
     implementation "ch.acra:acra-mail:$acraVersion"
     implementation "ch.acra:acra-toast:$acraVersion"