diff --git a/app/build.gradle b/app/build.gradle
index 02ddc2b3b..45e8197a4 100755
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -281,7 +281,7 @@ dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     implementation "org.jetbrains.kotlin:kotlin-reflect:$kotlin_version"
 
-    final coroutines_version = '1.3.7'
+    final coroutines_version = '1.3.5'
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-reactive:$coroutines_version"