diff --git a/app/build.gradle b/app/build.gradle
index 3e5fa26..559c597 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -5,7 +5,7 @@ android {
     compileSdkVersion 28
     defaultConfig {
         applicationId "com.kw.one"
-        minSdkVersion 24
+        minSdkVersion 16
         targetSdkVersion 28
         versionCode 1
         versionName "1.0"
diff --git a/arch/build.gradle b/arch/build.gradle
index c14d29d..4d40a46 100644
--- a/arch/build.gradle
+++ b/arch/build.gradle
@@ -7,7 +7,7 @@ android {
 
 
     defaultConfig {
-        minSdkVersion 24
+        minSdkVersion 16
         targetSdkVersion 28
         versionCode 1
         versionName "1.0"