can't test app on my mobile : Failure [INSTALL_FAILED_OLDER_SDK]

I am new to Android Studio and made an app but its not running on my physical device HTC one M8 giving and error like Failure [INSTALL_FAILED_OLDER_SDK]

htc one m8 android version: 5.0.2

android { compileSdkVersion 22 buildToolsVersion "22.0.1"

defaultConfig {
    applicationId "com.example.darab.crazy_tip_calc"
    minSdkVersion 22
    targetSdkVersion 22
    versionCode 1
    versionName "1.0"
}
buildTypes {
    release {
        minifyEnabled false
        proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
    }
}