diff --git a/build.gradle b/build.gradle
index f6a6ae19..5ed2fccf 100644
--- a/build.gradle
+++ b/build.gradle
@@ -18,16 +18,16 @@ buildscript {
                 ],
                 android: [
                         appcompat   : '1.1.0',
-                        annotation   : '1.1.0',
-                        exifinterface : '1.0.0'
+                        annotation   : '1.4.0',
+                        exifinterface : '1.3.3'
                 ],
                 rx     : [
                         rxJava1: '1.3.8',
                         rxJava2: '2.2.12'
                 ],
                 test   : [
-                        junit  : '4.12',
-                        mockito: '2.23.0'
+                        junit  : '4.13.2',
+                        mockito: '3.9.0'
                 ]
         ]
     }
diff --git a/fotoapparat/build.gradle b/fotoapparat/build.gradle
index 0d13df60..5771670b 100644
--- a/fotoapparat/build.gradle
+++ b/fotoapparat/build.gradle
@@ -30,7 +30,7 @@ dependencies {
     implementation "androidx.annotation:annotation:${versions.android.annotation}"
     implementation "androidx.exifinterface:exifinterface:${versions.android.exifinterface}"
     implementation "org.jetbrains.kotlin:kotlin-stdlib:${versions.kotlin}"
-    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.0'
+    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.1'
     testImplementation "junit:junit:${versions.test.junit}"
     testImplementation "org.jetbrains.kotlin:kotlin-test-junit:${versions.kotlin}"
     testImplementation "org.mockito:mockito-core:${versions.test.mockito}"
diff --git a/fotoapparat/src/main/java/io/fotoapparat/coroutines/AwaitBroadcastChannel.kt b/fotoapparat/src/main/java/io/fotoapparat/coroutines/AwaitBroadcastChannel.kt
index f22bbaf1..793e5ff4 100644
--- a/fotoapparat/src/main/java/io/fotoapparat/coroutines/AwaitBroadcastChannel.kt
+++ b/fotoapparat/src/main/java/io/fotoapparat/coroutines/AwaitBroadcastChannel.kt
@@ -23,7 +23,7 @@ internal class AwaitBroadcastChannel<T>(
 
     override fun offer(element: T): Boolean {
         deferred.complete(true)
-        return channel.offer(element)
+        return channel.trySend(element).isSuccess
     }
 
     override suspend fun send(element: T) {