diff --git a/README.md b/README.md
index 7a39dc7..0efd3d8 100644
--- a/README.md
+++ b/README.md
@@ -178,8 +178,8 @@ behavior in `@Reactive` annotation (property `distinctUntilChanged`) for entire
     See the License for the specific language governing permissions and
     limitations under the License.
 
-[apibadge-svg]: https://img.shields.io/badge/API-14%2B-brightgreen.svg?color=97ca00
-[apioverview]: https://developer.android.com/about/versions/android-4.0
+[apibadge-svg]: https://img.shields.io/badge/API-22%2B-brightgreen.svg?color=97ca00
+[apioverview]: https://developer.android.com/about/versions/android-5.1
 [license-svg]: https://img.shields.io/github/license/tommus/ktx-account.svg?color=97ca00
 [license]: http://www.apache.org/licenses/LICENSE-2.0
 [mavenbadge-svg]: https://img.shields.io/maven-central/v/co.windly/ktx-account.svg?color=97ca00