diff --git a/app/build.gradle b/app/build.gradle
index 97fe769..5d861bd 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -74,7 +74,7 @@ dependencies {
     implementation 'com.android.support:design:28.0.0'
     // todo: firebase app distribution
     testImplementation 'junit:junit:4.12'
-    testImplementation 'org.mockito:mockito-all:2.0.2-beta'
+    testImplementation 'org.mockito:mockito-core:5.11.0'
     androidTestImplementation('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
diff --git a/app/src/main/java/com/vgaidarji/cimatters/LoginPresenter.kt b/app/src/main/java/com/vgaidarji/cimatters/LoginPresenter.kt
index 1b232f5..dd22df2 100644
--- a/app/src/main/java/com/vgaidarji/cimatters/LoginPresenter.kt
+++ b/app/src/main/java/com/vgaidarji/cimatters/LoginPresenter.kt
@@ -1,10 +1,7 @@
 package com.vgaidarji.cimatters
 
-import android.util.Log
-
 internal class LoginPresenter(private val view: LoginView) {
     fun onLoginClick(email: String, password: String) {
-        Log.d("test123","email + ${email}, password + ${password}, ${email == EMAIL && password == PASSWORD}")
         if (email == EMAIL && password == PASSWORD) {
             view.openNextActivity()
         } else {
diff --git a/app/src/test/java/com/vgaidarji/cimatters/LoginPresenterTest.kt b/app/src/test/java/com/vgaidarji/cimatters/LoginPresenterTest.kt
index ec03fb3..43c10d4 100644
--- a/app/src/test/java/com/vgaidarji/cimatters/LoginPresenterTest.kt
+++ b/app/src/test/java/com/vgaidarji/cimatters/LoginPresenterTest.kt
@@ -2,8 +2,8 @@ package com.vgaidarji.cimatters
 
 import org.junit.Before
 import org.junit.Test
-import org.mockito.Matchers
-import org.mockito.Mockito
+import org.mockito.ArgumentMatchers
+import org.mockito.Mockito.*
 
 class LoginPresenterTest {
     private lateinit var view: LoginView
@@ -11,7 +11,7 @@ class LoginPresenterTest {
     @Before
     @Throws(Exception::class)
     fun setUp() {
-        view = Mockito.mock(LoginView::class.java)
+        view = mock(LoginView::class.java)
         presenter = LoginPresenter(view)
     }
 
@@ -19,13 +19,13 @@ class LoginPresenterTest {
     @Throws(Exception::class)
     fun onLoginClick_shouldOpenNextActivityForAllowedCredentials() {
         presenter!!.onLoginClick("test@test.com", "1111")
-        Mockito.verify(view)?.openNextActivity()
+        verify(view)?.openNextActivity()
     }
 
     @Test
     @Throws(Exception::class)
     fun onLoginClick_shouldShowErrorForIncorrectCredentials() {
         presenter!!.onLoginClick("wrong@email.com", "not_a_password")
-        Mockito.verify(view)?.showError(Matchers.anyString())
+        verify(view)?.showError(ArgumentMatchers.anyString())
     }
 }