diff --git a/library/build.gradle b/library/build.gradle
index 84c5722..b4cc12d 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -57,6 +57,12 @@ android {
             withJavadocJar()
         }
     }
+
+    lintOptions {
+        // to handle warning coming from a transitive dependency
+        // - obsolete 'androidx.fragment' through 'powerauth-sdk'
+        disable 'ObsoleteLintCustomCheck'
+    }
 }
 
 dependencies {
@@ -66,7 +72,7 @@ dependencies {
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlinVersion"
     implementation "com.google.code.gson:gson:${gsonVersion}"
-    implementation "androidx.annotation:annotation:1.6.0"
+    implementation "androidx.annotation:annotation:1.7.0"
 
     testImplementation "com.wultra.android.powerauth:powerauth-sdk:${powerAuthSdkVersion}"
     testImplementation 'junit:junit:4.13.2'
diff --git a/library/src/main/java/com/wultra/android/sslpinning/SslValidationStrategy.kt b/library/src/main/java/com/wultra/android/sslpinning/SslValidationStrategy.kt
index ecccf72..899adc1 100644
--- a/library/src/main/java/com/wultra/android/sslpinning/SslValidationStrategy.kt
+++ b/library/src/main/java/com/wultra/android/sslpinning/SslValidationStrategy.kt
@@ -82,6 +82,7 @@ abstract class SslValidationStrategy {
  * Implements SSL validation strategy that trust any server certificate.
  * See [SslValidationStrategy.noValidation] for more details.
  */
+@Suppress("CustomX509TrustManager")
 internal class NoSslValidationStrategy: SslValidationStrategy() {
     override fun sslSocketFactory(): SSLSocketFactory? {
         val trustAllCerts = Array(1) { object : X509TrustManager {
diff --git a/library/src/main/java/com/wultra/android/sslpinning/integration/SSLPinningX509TrustManager.kt b/library/src/main/java/com/wultra/android/sslpinning/integration/SSLPinningX509TrustManager.kt
index c59686c..4055b95 100644
--- a/library/src/main/java/com/wultra/android/sslpinning/integration/SSLPinningX509TrustManager.kt
+++ b/library/src/main/java/com/wultra/android/sslpinning/integration/SSLPinningX509TrustManager.kt
@@ -28,6 +28,7 @@ import javax.net.ssl.X509TrustManager
  *
  * @author Tomas Kypta, tomas.kypta@wultra.com
  */
+@Suppress("CustomX509TrustManager")
 class SSLPinningX509TrustManager(private val certStore: CertStore) : X509TrustManager {
 
     @SuppressLint("TrustAllX509TrustManager")