diff --git a/5calls/app/build.gradle b/5calls/app/build.gradle
index bdd1f50a..b469e4be 100644
--- a/5calls/app/build.gradle
+++ b/5calls/app/build.gradle
@@ -10,8 +10,8 @@ android {
         applicationId "org.a5calls.android.a5calls"
         minSdkVersion 23
         targetSdkVersion 36
-        versionCode 78
-        versionName '2.4.0'
+        versionCode 80
+        versionName '2.4.1'
         testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'
         signingConfig signingConfigs.debug
     }
diff --git a/5calls/app/src/main/java/org/a5calls/android/a5calls/controller/TutorialActivity.java b/5calls/app/src/main/java/org/a5calls/android/a5calls/controller/TutorialActivity.java
index f5671038..b77d4ce9 100644
--- a/5calls/app/src/main/java/org/a5calls/android/a5calls/controller/TutorialActivity.java
+++ b/5calls/app/src/main/java/org/a5calls/android/a5calls/controller/TutorialActivity.java
@@ -145,7 +145,9 @@ public static StaticTutorialPageFragment newInstance(int layoutId) {
             return fragment;
         }
 
-        private StaticTutorialPageFragment() {}
+        public StaticTutorialPageFragment() {
+            // Required empty public constructor.
+        }
 
         @Nullable
         @Override
diff --git a/5calls/app/src/main/java/org/a5calls/android/a5calls/net/FiveCallsApi.java b/5calls/app/src/main/java/org/a5calls/android/a5calls/net/FiveCallsApi.java
index a1f195c0..5b1c0df3 100644
--- a/5calls/app/src/main/java/org/a5calls/android/a5calls/net/FiveCallsApi.java
+++ b/5calls/app/src/main/java/org/a5calls/android/a5calls/net/FiveCallsApi.java
@@ -167,7 +167,7 @@ public void getIssues() {
         if (!TextUtils.isEmpty(state)) {
             urlBuilder.appendQueryParameter(GET_ISSUES_REQUEST_PARAM_STATE, state);
         }
-        
+
         String url = urlBuilder.build().toString();
         buildIssuesRequest(url, mIssuesRequestListeners);
     }