diff --git a/gradle/dependencies.gradle b/gradle/dependencies.gradle
index c37964bf9..4ea7157cd 100644
--- a/gradle/dependencies.gradle
+++ b/gradle/dependencies.gradle
@@ -1,6 +1,6 @@
 ext {
     androidVersions = [
-            minSdkVersion    : 16,
+            minSdkVersion    : 21,
             minWearSdkVersion: 23,
             targetSdkVersion : 28,
             compileSdkVersion: 28,