diff --git a/app/build.gradle b/app/build.gradle
index 129cf6a..69e03af 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,12 +1,12 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
 
     defaultConfig {
         applicationId "com.iiitd.dsavisualizer"
         minSdkVersion 21
-        targetSdkVersion 29
+        targetSdkVersion 31
         versionCode 1
         versionName "1.0"
     }
@@ -21,11 +21,11 @@ android {
 
 dependencies {
     implementation fileTree(dir: "libs", include: ["*.jar"])
-    implementation 'androidx.appcompat:appcompat:1.3.0'
+    implementation 'androidx.appcompat:appcompat:1.3.1'
     implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
 
     // May be Used By SnackBar
-    implementation 'com.google.android.material:material:1.3.0'
+    implementation 'com.google.android.material:material:1.4.0'
 
     // ViewAnimator [ Library for Animating Views ]
     implementation 'com.github.florent37:viewanimator:1.1.0'
diff --git a/app/release/algoizer-v1.2.apk b/app/release/algoizer-v1.3.apk
similarity index 82%
rename from app/release/algoizer-v1.2.apk
rename to app/release/algoizer-v1.3.apk
index b615b15..513e1cf 100644
Binary files a/app/release/algoizer-v1.2.apk and b/app/release/algoizer-v1.3.apk differ
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 40be7f7..994dca9 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -19,6 +19,7 @@
         <activity
             android:name=".runapp.activities.SplashActivity"
             android:launchMode="standard"
+            android:exported="true"
             android:screenOrientation="sensorLandscape">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
@@ -29,6 +30,7 @@
         <activity
             android:name=".runapp.activities.HomeActivity"
             android:launchMode="standard"
+            android:exported="false"
             android:screenOrientation="sensorLandscape">
             <!--            <intent-filter>-->
             <!--                <action android:name="android.intent.action.MAIN" />-->
@@ -39,6 +41,7 @@
         <activity
             android:name=".runapp.activities.GraphsActivity"
             android:launchMode="standard"
+            android:exported="false"
             android:screenOrientation="sensorLandscape">
 <!--                        <intent-filter>-->
 <!--                            <action android:name="android.intent.action.MAIN" />-->
@@ -49,11 +52,13 @@
         <activity
             android:name=".runapp.activities.AboutActivity"
             android:launchMode="standard"
+            android:exported="false"
             android:screenOrientation="sensorLandscape" />
 
         <activity
             android:name=".runapp.activities.ThemesActivity"
             android:launchMode="standard"
+            android:exported="false"
             android:screenOrientation="sensorLandscape">
             <!--            <intent-filter>-->
             <!--                <action android:name="android.intent.action.MAIN" />-->
@@ -64,6 +69,7 @@
         <activity
             android:name=".runapp.activities.SortingActivity"
             android:launchMode="standard"
+            android:exported="false"
             android:screenOrientation="sensorLandscape">
             <!--            <intent-filter>-->
             <!--                <action android:name="android.intent.action.MAIN" />-->
@@ -74,6 +80,7 @@
         <activity
             android:name=".runapp.activities.TreesActivity"
             android:launchMode="standard"
+            android:exported="false"
             android:screenOrientation="sensorLandscape">
             <!--            <intent-filter>-->
             <!--                <action android:name="android.intent.action.MAIN" />-->
@@ -84,6 +91,7 @@
         <activity
             android:name=".datastructures.graphs.GraphActivity"
             android:launchMode="standard"
+            android:exported="false"
             android:screenOrientation="sensorLandscape">
 <!--                        <intent-filter>-->
 <!--                            <action android:name="android.intent.action.MAIN" />-->
@@ -94,6 +102,7 @@
         <activity
             android:name=".algorithms.sorting.bubble.BubbleSortActivity"
             android:launchMode="standard"
+            android:exported="false"
             android:screenOrientation="sensorLandscape">
             <!--            <intent-filter>-->
             <!--                <action android:name="android.intent.action.MAIN" />-->
@@ -104,6 +113,7 @@
         <activity
             android:name=".algorithms.sorting.selection.SelectionSortActivity"
             android:launchMode="standard"
+            android:exported="false"
             android:screenOrientation="sensorLandscape">
             <!--            <intent-filter>-->
             <!--                <action android:name="android.intent.action.MAIN" />-->
@@ -114,6 +124,7 @@
         <activity
             android:name=".algorithms.sorting.insertion.InsertionSortActivity"
             android:launchMode="standard"
+            android:exported="false"
             android:screenOrientation="sensorLandscape">
             <!--            <intent-filter>-->
             <!--                <action android:name="android.intent.action.MAIN" />-->
@@ -124,6 +135,7 @@
         <activity
             android:name=".algorithms.sorting.merge.MergeSortActivity"
             android:launchMode="standard"
+            android:exported="false"
             android:screenOrientation="sensorLandscape">
             <!--            <intent-filter>-->
             <!--                <action android:name="android.intent.action.MAIN" />-->
@@ -134,6 +146,7 @@
         <activity
             android:name=".algorithms.sorting.quick.QuickSortActivity"
             android:launchMode="standard"
+            android:exported="false"
             android:screenOrientation="sensorLandscape">
             <!--            <intent-filter>-->
             <!--                <action android:name="android.intent.action.MAIN" />-->
@@ -144,6 +157,7 @@
         <activity
             android:name=".datastructures.trees.bst.BSTActivity"
             android:launchMode="standard"
+            android:exported="false"
             android:screenOrientation="sensorLandscape">
             <!--            <intent-filter>-->
             <!--                <action android:name="android.intent.action.MAIN" />-->
@@ -154,6 +168,7 @@
         <activity
             android:name=".datastructures.trees.avl.AVLActivity"
             android:launchMode="standard"
+            android:exported="false"
             android:screenOrientation="sensorLandscape">
             <!--            <intent-filter>-->
             <!--                <action android:name="android.intent.action.MAIN" />-->
diff --git a/build.gradle b/build.gradle
index 996b567..f096dcd 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.2.1'
+        classpath 'com.android.tools.build:gradle:4.2.2'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files