diff --git a/app/build.gradle b/app/build.gradle
index a6464fc..2d3f46b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -9,7 +9,7 @@ android {
         versionCode getGitCommitCount()
         versionName "1.0"
 
-        minSdkVersion 21
+        minSdkVersion 26
         compileSdk 35
         targetSdkVersion 35
 
@@ -20,7 +20,7 @@ android {
     }
     packagingOptions {
         resources {
-            pickFirsts += ["META-INF/atomicfu.kotlin_module"]
+            pickFirsts += ["META-INF/atomicfu.kotlin_module", "META-INF/DEPENDENCIES"]
         }
     }
     compileOptions {
diff --git a/app/src/androidTest/java/info/hannes/github/sample/SmokeTest.kt b/app/src/androidTest/java/info/hannes/github/sample/SmokeTest.kt
index 0bd02c0..bbf868d 100644
--- a/app/src/androidTest/java/info/hannes/github/sample/SmokeTest.kt
+++ b/app/src/androidTest/java/info/hannes/github/sample/SmokeTest.kt
@@ -59,4 +59,23 @@ class SmokeTest {
             .check(matches(isDisplayed()))
             .perform(click())
     }
+
+    @Test
+    fun updateArtifactory() {
+        onView(isRoot())
+            .perform(captureToBitmap { bitmap: Bitmap -> bitmap.writeToTestStorage("${javaClass.simpleName}_${nameRule.methodName}-1") })
+        onView(withId(R.id.buttonArtifactory)).perform(click())
+        onView(isRoot())
+            .perform(captureToBitmap { bitmap: Bitmap -> bitmap.writeToTestStorage("${javaClass.simpleName}_${nameRule.methodName}-2") })
+        onView(withText(info.hannes.github.R.string.new_version))
+            .inRoot(isDialog())
+            .check(matches(isDisplayed()))
+        onView(isRoot())
+            .perform(captureToBitmap { bitmap: Bitmap -> bitmap.writeToTestStorage("${javaClass.simpleName}_${nameRule.methodName}-3") })
+
+        onView(withText("SHOW"))
+            .inRoot(isDialog())
+            .check(matches(isDisplayed()))
+            .perform(click())
+    }
 }
diff --git a/app/src/main/java/info/hannes/github/sample/MainActivity.kt b/app/src/main/java/info/hannes/github/sample/MainActivity.kt
index 2feeb7d..6d09e80 100644
--- a/app/src/main/java/info/hannes/github/sample/MainActivity.kt
+++ b/app/src/main/java/info/hannes/github/sample/MainActivity.kt
@@ -36,6 +36,15 @@ class MainActivity : AppCompatActivity() {
                 force = true // just to enable debugging, without you can only debug once a day
             )
         }
+
+        binding.buttonArtifactory.setOnClickListener {
+            AppUpdateHelper.checkArtifactoryDialog(
+                this,
+                "https://artifactory.myserver.info",
+                { msg -> Log.d("result", msg) },
+                force = true // just to enable debugging, without you can only debug once a day
+            )
+        }
     }
 
 }
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 3acc4be..7c09803 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -6,9 +6,10 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
-    <FrameLayout
+    <LinearLayout
         android:id="@+id/fragment_main"
         android:layout_width="match_parent"
+        android:orientation="horizontal"
         android:layout_height="match_parent">
 
         <Button
@@ -18,7 +19,15 @@
             android:layout_height="wrap_content"
             android:text="check Github"
             tools:ignore="HardcodedText" />
-    </FrameLayout>
+
+        <Button
+            android:id="@+id/buttonArtifactory"
+            android:layout_gravity="center|center"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="check Artifactory"
+            tools:ignore="HardcodedText" />
+    </LinearLayout>
 
     <com.google.android.material.appbar.AppBarLayout
         android:id="@+id/appbar"
diff --git a/build.gradle b/build.gradle
index dd05cea..5140518 100644
--- a/build.gradle
+++ b/build.gradle
@@ -19,5 +19,6 @@ allprojects {
     repositories {
         google()
         mavenCentral()
+        jcenter()
     }
 }
diff --git a/githubAppUpdate/build.gradle b/githubAppUpdate/build.gradle
index a29538b..46b234d 100644
--- a/githubAppUpdate/build.gradle
+++ b/githubAppUpdate/build.gradle
@@ -9,7 +9,7 @@ android {
     defaultConfig {
         compileSdk 35
         targetSdkVersion 35
-        minSdkVersion 21
+        minSdkVersion 26
         project.archivesBaseName = "githubAppUpdate"
     }
     compileOptions {
@@ -22,12 +22,21 @@ android {
     publishing {
         singleVariant("release") {}
     }
+    packagingOptions {
+        resources {
+            pickFirsts += ["META-INF/atomicfu.kotlin_module", "META-INF/DEPENDENCIES"]
+        }
+    }
 }
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     implementation "com.google.code.gson:gson:2.13.2"
     implementation "androidx.work:work-runtime-ktx:2.10.5"
+    implementation 'org.jfrog.artifactory.client:artifactory-java-client-services:2.19.1'
+//    implementation 'org.apache.httpcomponents:httpclient:4.5.13'
+//    api 'org.apache.httpcomponents:httpcore:4.4.14'
+//    api 'org.apache.httpcomponents:httpmime:4.5.6'
 
     implementation "com.squareup.retrofit2:retrofit:3.0.0"
     implementation "androidx.appcompat:appcompat:1.7.1"
@@ -38,6 +47,9 @@ dependencies {
     api "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.10.2"
     api "androidx.lifecycle:lifecycle-runtime-ktx:2.9.4"
     implementation "com.squareup.okhttp3:logging-interceptor:5.2.0"
+
+    testImplementation 'junit:junit:4.13.2'
+    testImplementation "org.jetbrains.kotlinx:kotlinx-coroutines-test:1.6.4"
 }
 
 project.afterEvaluate {
diff --git a/githubAppUpdate/src/main/java/info/hannes/github/AppUpdateHelper.kt b/githubAppUpdate/src/main/java/info/hannes/github/AppUpdateHelper.kt
index 9ebe15b..20eb702 100644
--- a/githubAppUpdate/src/main/java/info/hannes/github/AppUpdateHelper.kt
+++ b/githubAppUpdate/src/main/java/info/hannes/github/AppUpdateHelper.kt
@@ -20,11 +20,18 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import okhttp3.logging.HttpLoggingInterceptor
+import org.jfrog.artifactory.client.Artifactory
+import org.jfrog.artifactory.client.ArtifactoryClientBuilder
 import retrofit2.Response
 import java.lang.RuntimeException
 import java.net.HttpURLConnection
 import java.util.concurrent.TimeUnit
 
+import org.jfrog.artifactory.client.model.impl.RepositoryTypeImpl.LOCAL
+import org.jfrog.artifactory.client.model.impl.RepositoryTypeImpl.REMOTE
+import org.jfrog.artifactory.client.model.impl.RepositoryTypeImpl.VIRTUAL
+import org.jfrog.artifactory.client.model.impl.RepositoryTypeImpl.FEDERATED
+
 
 object AppUpdateHelper {
 
@@ -43,11 +50,46 @@ object AppUpdateHelper {
     }
 
     // silently in background
-    fun checkForNewVersion(activity: AppCompatActivity, gitRepoUrl: String, repeatTime : Long = 6, timeUnit: TimeUnit = TimeUnit.HOURS, token: String? = null) {
+    fun checkForNewVersion(activity: AppCompatActivity, gitRepoUrl: String, repeatTime: Long = 6, timeUnit: TimeUnit = TimeUnit.HOURS, token: String? = null) {
         val currentVersionName = activity.getVersionName()
         DownloadWorker.run(activity, currentVersionName, gitRepoUrl, repeatTime, timeUnit, token)
     }
 
+    fun checkArtifactoryDialog(
+        activity: AppCompatActivity,
+        gitRepoUrl: String,
+        callback: ((String) -> Unit)? = null,
+        force: Boolean = false
+    ) = activity.lifecycle.coroutineScope.launch(Dispatchers.Main) {
+
+        val currentVersionName = activity.getVersionName()
+
+        val key = "LAST_VERSION_CHECK"
+        val prefs = PreferenceManager.getDefaultSharedPreferences(activity)
+
+        if (force || prefs.getLong(key, 0) < System.currentTimeMillis() - 1000 * 3600 * 24 / 24 / 60 * 5) {
+            try {
+                val versionList = requestArtifactoryVersions(gitRepoUrl)
+                prefs.edit().putLong(key, System.currentTimeMillis()).apply()
+
+                versionList?.body()?.firstOrNull()?.let { release ->
+                    val assetApk = release.assets.find { it.name.endsWith("release.apk") }
+
+                    Log.d("AppUpdateHelper", release.tagName + " > " + currentVersionName + " " + (release.tagName > currentVersionName))
+                    callback?.invoke(release.tagName)
+                    if (release.tagName > currentVersionName) {
+                        askUser(activity, currentVersionName, release, assetApk)
+                    } else {
+                        callback?.invoke("Nothing to do with ${release.tagName}")
+                    }
+                }
+            } catch (e: Exception) {
+                Log.e("AppUpdateHelper", "git check deliver: ${e.message}")
+                Toast.makeText(activity, "git check delivers: ${e.message}", Toast.LENGTH_LONG).show()
+            }
+        }
+    }
+
     fun checkWithDialog(
         activity: AppCompatActivity,
         gitRepoUrl: String,
@@ -90,7 +132,7 @@ object AppUpdateHelper {
         currentVersionName: String,
         gitRepoUrl: String,
         token: String? = null
-    ){
+    ) {
         try {
             val versionList = requestVersionsSync(gitRepoUrl, token)
 
@@ -116,6 +158,37 @@ object AppUpdateHelper {
         return client.github.getGithubVersions(gitRepoUrl.user(), gitRepoUrl.repo()).execute()
     }
 
+    suspend fun requestArtifactoryVersions(artifactoryRepoUrl: String): Response<MutableList<GithubVersion>>? {
+        val artifactory: Artifactory = ArtifactoryClientBuilder.create()
+            .setUrl(artifactoryRepoUrl)
+            //.setUsername("username")
+            //.setPassword("password")
+            .build() // TODO runtime error with "No static field INSTANCE of type Lorg/apache/http/conn/ssl/AllowAllHostnameVerifier"
+        val versionList = withContext(Dispatchers.Default) {
+            val repositories = artifactory.repositories()
+
+//            val allBuilds = artifactory.builds().allBuilds
+//            Log.d("allBuilds", allBuilds.toString())
+
+            val localRepoList = repositories.list(LOCAL)
+            val remoteRepoList = repositories.list(REMOTE)
+            val virtualRepoList = repositories.list(VIRTUAL)
+            val federatedRepoList = repositories.list(FEDERATED)
+
+            Log.d("data", localRepoList.toString())
+//            val list = artifactory.storage().storageInfo.repositoriesSummaryList
+//            Log.d("list", list.toString())
+            val dataA = artifactory.repository("AppStore")
+                .download("/AppStore/AutonomousCar/app/1.2/app-1.2.pom")
+                .doDownload()
+            Log.d("dataA", dataA.toString())
+            Log.d("data", repositories.toString())
+            Log.d("data", repositories.replicationApi)
+        }
+        Log.d("data", versionList.toString())
+        return null
+    }
+
     private suspend fun requestGithubVersions(gitRepoUrl: String, token: String? = null): Response<MutableList<GithubVersion>> {
         val versionList = withContext(Dispatchers.Default) {
             val client = GithubClient(HttpLoggingInterceptor.Level.BODY, token)
diff --git a/githubAppUpdate/src/test/java/info/hannes/github/AppUpdateHelperTest.kt b/githubAppUpdate/src/test/java/info/hannes/github/AppUpdateHelperTest.kt
new file mode 100644
index 0000000..41a0804
--- /dev/null
+++ b/githubAppUpdate/src/test/java/info/hannes/github/AppUpdateHelperTest.kt
@@ -0,0 +1,41 @@
+package info.hannes.github
+
+import junit.framework.Assert.assertEquals
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.test.runTest
+import org.junit.Test
+
+@OptIn(ExperimentalCoroutinesApi::class)
+class AppUpdateHelperTest {
+
+    @org.junit.Before
+    fun setUp() {
+    }
+
+    @org.junit.After
+    fun tearDown() {
+    }
+
+    @org.junit.Test
+    fun getPackageInfo() {
+    }
+
+    @org.junit.Test
+    fun requestArtifactoryVersions() = runTest {
+        val data = AppUpdateHelper.requestArtifactoryVersions("https://artifactory.mxtracks.info")
+        assertEquals("Hello world", data)
+    }
+
+    @Test
+    fun dataShouldBeHelloWorld() = runTest {
+        val data = fetchData()
+        assertEquals("Hello world", data)
+    }
+
+    suspend fun fetchData(): String {
+        delay(1000L)
+        return "Hello world"
+    }
+
+}
\ No newline at end of file