diff --git a/library/build.gradle b/library/build.gradle
index ffc3ca5b..6283aa3e 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -33,7 +33,7 @@ android {
     }
 
     defaultConfig {
-        minSdkVersion 16
+        minSdkVersion 19
         targetSdkVersion rootProject.ext.targetSdkVersion
         versionCode 1
         versionName this.version
diff --git a/utils/build.gradle b/utils/build.gradle
index 44534227..7f06c8e1 100644
--- a/utils/build.gradle
+++ b/utils/build.gradle
@@ -22,7 +22,7 @@ android {
     }
 
     defaultConfig {
-        minSdkVersion 16
+        minSdkVersion 19
         targetSdkVersion rootProject.ext.targetSdkVersion
         versionCode 1
         versionName this.version