diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f9c25b8..d109a0d 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           submodules: true
       - name: Set up JDK 17
diff --git a/.github/workflows/validate-gradle-wrapper.yml b/.github/workflows/validate-gradle-wrapper.yml
index 64aa173..b5f0b31 100644
--- a/.github/workflows/validate-gradle-wrapper.yml
+++ b/.github/workflows/validate-gradle-wrapper.yml
@@ -7,5 +7,5 @@ jobs:
     name: Validation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: gradle/wrapper-validation-action@v1
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index dc12f67..dfb5d47 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -37,7 +37,7 @@ android {
 
     defaultConfig {
         minSdk = 21
-        targetSdk = 31
+        targetSdk = 32
         resourceConfigurations.add("en")
     }
 
diff --git a/app/pdfjs-dist b/app/pdfjs-dist
index a7fc0d3..070a365 160000
--- a/app/pdfjs-dist
+++ b/app/pdfjs-dist
@@ -1 +1 @@
-Subproject commit a7fc0d33a11d032741f44d0b623780253747da10
+Subproject commit 070a365be5a7579f4ddd5a9a2d4efcd281c2d64f
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index d0b01f8..0ded85f 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-        package="org.grapheneos.pdfviewer"
+        package="app.grapheneos.pdfviewer"
         android:targetSandboxVersion="2">
     <original-package android:name="org.grapheneos.pdfviewer" />
 
diff --git a/app/src/main/java/org/grapheneos/pdfviewer/GestureHelper.java b/app/src/main/java/app/grapheneos/pdfviewer/GestureHelper.java
similarity index 98%
rename from app/src/main/java/org/grapheneos/pdfviewer/GestureHelper.java
rename to app/src/main/java/app/grapheneos/pdfviewer/GestureHelper.java
index 45fd9c7..28e643f 100644
--- a/app/src/main/java/org/grapheneos/pdfviewer/GestureHelper.java
+++ b/app/src/main/java/app/grapheneos/pdfviewer/GestureHelper.java
@@ -1,4 +1,4 @@
-package org.grapheneos.pdfviewer;
+package app.grapheneos.pdfviewer;
 
 import android.annotation.SuppressLint;
 import android.content.Context;
diff --git a/app/src/main/java/org/grapheneos/pdfviewer/PdfViewer.java b/app/src/main/java/app/grapheneos/pdfviewer/PdfViewer.java
similarity index 98%
rename from app/src/main/java/org/grapheneos/pdfviewer/PdfViewer.java
rename to app/src/main/java/app/grapheneos/pdfviewer/PdfViewer.java
index cd4fbf6..06e2e7a 100644
--- a/app/src/main/java/org/grapheneos/pdfviewer/PdfViewer.java
+++ b/app/src/main/java/app/grapheneos/pdfviewer/PdfViewer.java
@@ -1,4 +1,4 @@
-package org.grapheneos.pdfviewer;
+package app.grapheneos.pdfviewer;
 
 import android.content.pm.PackageInfo;
 import android.content.res.ColorStateList;
@@ -29,10 +29,10 @@ import androidx.appcompat.app.AppCompatActivity;
 import androidx.loader.app.LoaderManager;
 import androidx.loader.content.Loader;
 
-import org.grapheneos.pdfviewer.databinding.PdfviewerBinding;
-import org.grapheneos.pdfviewer.fragment.DocumentPropertiesFragment;
-import org.grapheneos.pdfviewer.fragment.JumpToPageFragment;
-import org.grapheneos.pdfviewer.loader.DocumentPropertiesLoader;
+import app.grapheneos.pdfviewer.databinding.PdfviewerBinding;
+import app.grapheneos.pdfviewer.fragment.DocumentPropertiesFragment;
+import app.grapheneos.pdfviewer.fragment.JumpToPageFragment;
+import app.grapheneos.pdfviewer.loader.DocumentPropertiesLoader;
 
 import java.io.IOException;
 import java.io.InputStream;
diff --git a/app/src/main/java/org/grapheneos/pdfviewer/Utils.java b/app/src/main/java/app/grapheneos/pdfviewer/Utils.java
similarity index 99%
rename from app/src/main/java/org/grapheneos/pdfviewer/Utils.java
rename to app/src/main/java/app/grapheneos/pdfviewer/Utils.java
index ffc8411..0e7ae24 100644
--- a/app/src/main/java/org/grapheneos/pdfviewer/Utils.java
+++ b/app/src/main/java/app/grapheneos/pdfviewer/Utils.java
@@ -1,4 +1,4 @@
-package org.grapheneos.pdfviewer;
+package app.grapheneos.pdfviewer;
 
 import android.text.TextUtils;
 
diff --git a/app/src/main/java/org/grapheneos/pdfviewer/fragment/DocumentPropertiesFragment.java b/app/src/main/java/app/grapheneos/pdfviewer/fragment/DocumentPropertiesFragment.java
similarity index 96%
rename from app/src/main/java/org/grapheneos/pdfviewer/fragment/DocumentPropertiesFragment.java
rename to app/src/main/java/app/grapheneos/pdfviewer/fragment/DocumentPropertiesFragment.java
index 851d9d5..47f039b 100644
--- a/app/src/main/java/org/grapheneos/pdfviewer/fragment/DocumentPropertiesFragment.java
+++ b/app/src/main/java/app/grapheneos/pdfviewer/fragment/DocumentPropertiesFragment.java
@@ -1,4 +1,4 @@
-package org.grapheneos.pdfviewer.fragment;
+package app.grapheneos.pdfviewer.fragment;
 
 import android.app.Activity;
 import android.app.Dialog;
@@ -10,7 +10,7 @@ import androidx.fragment.app.DialogFragment;
 
 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 
-import org.grapheneos.pdfviewer.R;
+import app.grapheneos.pdfviewer.R;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/app/src/main/java/org/grapheneos/pdfviewer/fragment/JumpToPageFragment.java b/app/src/main/java/app/grapheneos/pdfviewer/fragment/JumpToPageFragment.java
similarity index 96%
rename from app/src/main/java/org/grapheneos/pdfviewer/fragment/JumpToPageFragment.java
rename to app/src/main/java/app/grapheneos/pdfviewer/fragment/JumpToPageFragment.java
index 489ce82..99ff01c 100644
--- a/app/src/main/java/org/grapheneos/pdfviewer/fragment/JumpToPageFragment.java
+++ b/app/src/main/java/app/grapheneos/pdfviewer/fragment/JumpToPageFragment.java
@@ -1,4 +1,4 @@
-package org.grapheneos.pdfviewer.fragment;
+package app.grapheneos.pdfviewer.fragment;
 
 import android.app.Dialog;
 import android.os.Bundle;
@@ -11,7 +11,7 @@ import androidx.fragment.app.DialogFragment;
 
 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 
-import org.grapheneos.pdfviewer.PdfViewer;
+import app.grapheneos.pdfviewer.PdfViewer;
 
 public class JumpToPageFragment extends DialogFragment {
     public static final String TAG = "JumpToPageFragment";
diff --git a/app/src/main/java/org/grapheneos/pdfviewer/loader/DocumentPropertiesLoader.java b/app/src/main/java/app/grapheneos/pdfviewer/loader/DocumentPropertiesLoader.java
similarity index 96%
rename from app/src/main/java/org/grapheneos/pdfviewer/loader/DocumentPropertiesLoader.java
rename to app/src/main/java/app/grapheneos/pdfviewer/loader/DocumentPropertiesLoader.java
index 3bafbe5..fb12f44 100644
--- a/app/src/main/java/org/grapheneos/pdfviewer/loader/DocumentPropertiesLoader.java
+++ b/app/src/main/java/app/grapheneos/pdfviewer/loader/DocumentPropertiesLoader.java
@@ -1,4 +1,4 @@
-package org.grapheneos.pdfviewer.loader;
+package app.grapheneos.pdfviewer.loader;
 
 import android.content.Context;
 import android.graphics.Typeface;
@@ -9,8 +9,6 @@ import android.util.Log;
 
 import androidx.loader.content.AsyncTaskLoader;
 
-import org.grapheneos.pdfviewer.R;
-import org.grapheneos.pdfviewer.Utils;
 import org.json.JSONException;
 import org.json.JSONObject;
 
@@ -18,6 +16,9 @@ import java.text.ParseException;
 import java.util.ArrayList;
 import java.util.List;
 
+import app.grapheneos.pdfviewer.R;
+import app.grapheneos.pdfviewer.Utils;
+
 public class DocumentPropertiesLoader extends AsyncTaskLoader<List<CharSequence>> {
     public static final String TAG = "DocumentPropertiesLoader";
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 1debed0..ffe61b4 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionSha256Sum=8cc27038d5dbd815759851ba53e70cf62e481b87494cc97cfd97982ada5ba634
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4-bin.zip
+distributionSha256Sum=e5444a57cda4a95f90b0c9446a9e1b47d3d7f69057765bfb54bd4f482542d548
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists