diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6b3520c..5661f91 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,7 @@ jobs:
         uses: flatpak/flatpak-github-actions/flatpak-builder@v6
         with:
           bundle: spreadsheet.flatpak
-          manifest-path: com.github.elework.spreadsheet.yml
+          manifest-path: io.github.elework.spreadsheet.yml
           run-tests: true
           repository-name: appcenter
           repository-url: https://flatpak.elementary.io/repo.flatpakrepo
diff --git a/.github/workflows/gettext.yml b/.github/workflows/gettext.yml
index 5d47bcb..956c5ce 100644
--- a/.github/workflows/gettext.yml
+++ b/.github/workflows/gettext.yml
@@ -30,4 +30,4 @@ jobs:
 
     - uses: elementary/actions/gettext-flatpak@main
       with:
-        manifest-path: 'com.github.elework.spreadsheet.yml'
+        manifest-path: 'io.github.elework.spreadsheet.yml'
diff --git a/README.md b/README.md
index efe4615..01417f8 100644
--- a/README.md
+++ b/README.md
@@ -31,10 +31,10 @@ Then clone the project and go to its root directory. Run `meson build` to config
     cd build
     ninja
 
-To install, use `ninja install`, then execute with `com.github.elework.spreadsheet`
+To install, use `ninja install`, then execute with `io.github.elework.spreadsheet`
 
     sudo ninja install
-    com.github.elework.spreadsheet
+    io.github.elework.spreadsheet
 
 ## Contributing
 
diff --git a/data/spreadsheet.appdata.xml.in b/data/spreadsheet.appdata.xml.in
index 31467b9..6f4340d 100644
--- a/data/spreadsheet.appdata.xml.in
+++ b/data/spreadsheet.appdata.xml.in
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!-- Copyright 2018-2021 Spreadsheet Developers -->
 <component type="desktop">
-  <id>com.github.elework.spreadsheet</id>
-  <launchable type="desktop-id">com.github.elework.spreadsheet.desktop</launchable>
+  <id>io.github.elework.spreadsheet</id>
+  <launchable type="desktop-id">io.github.elework.spreadsheet.desktop</launchable>
   <metadata_license>CC0-1.0</metadata_license>
   <project_license>MIT</project_license>
   <name>Spreadsheet</name>
diff --git a/data/spreadsheet.desktop.in b/data/spreadsheet.desktop.in
index dcbdbbd..04be6e9 100644
--- a/data/spreadsheet.desktop.in
+++ b/data/spreadsheet.desktop.in
@@ -3,8 +3,8 @@ Name=Spreadsheet
 GenericName=Spreadsheet App
 Comment=Create simple and beautiful spreadsheets
 Categories=Office;Spreadsheet;
-Exec=com.github.elework.spreadsheet %U
-Icon=com.github.elework.spreadsheet
+Exec=io.github.elework.spreadsheet %U
+Icon=io.github.elework.spreadsheet
 Terminal=false
 Type=Application
 Keywords=Office;Book;
diff --git a/data/spreadsheet.gresource.xml b/data/spreadsheet.gresource.xml
index ae2cebb..3e56dc5 100644
--- a/data/spreadsheet.gresource.xml
+++ b/data/spreadsheet.gresource.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <gresources>
-  <gresource prefix="/com/github/elework/spreadsheet">
+  <gresource prefix="/io/github/elework/spreadsheet">
     <file alias="Application.css">Application.css</file>
   </gresource>
 </gresources>
diff --git a/data/spreadsheet.gschema.xml b/data/spreadsheet.gschema.xml
index fc8e70e..1304dfa 100644
--- a/data/spreadsheet.gschema.xml
+++ b/data/spreadsheet.gschema.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <schemalist>
-  <schema path="/com/github/elework/spreadsheet/" id="com.github.elework.spreadsheet">
+  <schema path="/io/github/elework/spreadsheet/" id="io.github.elework.spreadsheet">
     <key name="window-position" type="(ii)">
       <default>(-1, -1)</default>
       <summary>Window position</summary>
diff --git a/com.github.elework.spreadsheet.yml b/io.github.elework.spreadsheet.yml
similarity index 80%
rename from com.github.elework.spreadsheet.yml
rename to io.github.elework.spreadsheet.yml
index ce6ecbd..fbe0315 100644
--- a/com.github.elework.spreadsheet.yml
+++ b/io.github.elework.spreadsheet.yml
@@ -1,8 +1,8 @@
-id: com.github.elework.spreadsheet
+id: io.github.elework.spreadsheet
 runtime: io.elementary.Platform
 runtime-version: '8'
 sdk: io.elementary.Sdk
-command: com.github.elework.spreadsheet
+command: io.github.elework.spreadsheet
 finish-args:
   - '--share=ipc'
   - '--socket=wayland'
diff --git a/meson.build b/meson.build
index 11c956c..0885f2c 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project(
-    'com.github.elework.spreadsheet',
+    'io.github.elework.spreadsheet',
     'vala', 'c',
     version: '0.1.0',
     meson_version: '>=0.59.0'
diff --git a/po/README.md b/po/README.md
index fa778ae..e056f95 100644
--- a/po/README.md
+++ b/po/README.md
@@ -16,7 +16,7 @@ Search for your language code (e.g. en = English, zh_CN = Chinese Simplified). S
 
 ## Translate .po Files
 
-Now what you've been waiting for! Copy `po/com.github.elework.spreadsheet.pot` and name `po/<language_code>.po` and copy `po/extra/extra.pot` and name `po/extra/<language_code>.po`. Then translate these created .po files using a .po file editor of your choice (e.g. Poedit). The former file contains strings for the app itself and the latter is for metadata files (.appdata.xml and .desktop files).
+Now what you've been waiting for! Copy `po/io.github.elework.spreadsheet.pot` and name `po/<language_code>.po` and copy `po/extra/extra.pot` and name `po/extra/<language_code>.po`. Then translate these created .po files using a .po file editor of your choice (e.g. Poedit). The former file contains strings for the app itself and the latter is for metadata files (.appdata.xml and .desktop files).
 
 ## Commit Your Translation Works
 
diff --git a/po/com.github.elework.spreadsheet.pot b/po/io.github.elework.spreadsheet.pot
similarity index 100%
rename from po/com.github.elework.spreadsheet.pot
rename to po/io.github.elework.spreadsheet.pot
diff --git a/src/App.vala b/src/App.vala
index b121a06..5f1643a 100644
--- a/src/App.vala
+++ b/src/App.vala
@@ -14,11 +14,11 @@ public class Spreadsheet.App : Gtk.Application {
     }
 
     static construct {
-        settings = new Settings ("com.github.elework.spreadsheet");
+        settings = new Settings ("io.github.elework.spreadsheet");
     }
 
     construct {
-        application_id = "com.github.elework.spreadsheet";
+        application_id = "io.github.elework.spreadsheet";
         flags = ApplicationFlags.HANDLES_OPEN;
 
         Intl.setlocale (LocaleCategory.ALL, "");
diff --git a/src/UI/MainWindow.vala b/src/UI/MainWindow.vala
index 3a1346f..384ddec 100644
--- a/src/UI/MainWindow.vala
+++ b/src/UI/MainWindow.vala
@@ -118,7 +118,7 @@ public class Spreadsheet.UI.MainWindow : ApplicationWindow {
 
     construct {
         var cssprovider = new Gtk.CssProvider ();
-        cssprovider.load_from_resource ("/com/github/elework/spreadsheet/Application.css");
+        cssprovider.load_from_resource ("/io/github/elework/spreadsheet/Application.css");
         Gtk.StyleContext.add_provider_for_screen (Gdk.Screen.get_default (),
                                                     cssprovider,
                                                     Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION);