diff --git a/android/app/build.gradle b/android/app/build.gradle
index 9696678..cf8a587 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -49,7 +49,7 @@ android {
     }
 
     defaultConfig {
-        applicationId "debug.tojcklguy.opencontacts"
+        applicationId "de.voidspace.recon"
         minSdkVersion 24
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
diff --git a/android/app/src/debug/AndroidManifest.xml b/android/app/src/debug/AndroidManifest.xml
index 86a2564..68748a4 100644
--- a/android/app/src/debug/AndroidManifest.xml
+++ b/android/app/src/debug/AndroidManifest.xml
@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="debug.tojcklguy.opencontacts">
+    package="de.voidspace.recon">
     <!-- The INTERNET permission is required for development. Specifically,
          the Flutter tool needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index d7558a6..e16b842 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="debug.tojcklguy.opencontacts">
+    package="de.voidspace.recon">
 
     <!-- Required to fetch data from the internet. -->
     <uses-permission android:name="android.permission.INTERNET" />
diff --git a/android/app/src/main/kotlin/de/voidspace/recon/MainActivity.kt b/android/app/src/main/kotlin/de/voidspace/recon/MainActivity.kt
index b4bb367..78c26aa 100644
--- a/android/app/src/main/kotlin/de/voidspace/recon/MainActivity.kt
+++ b/android/app/src/main/kotlin/de/voidspace/recon/MainActivity.kt
@@ -1,4 +1,4 @@
-package debug.tojcklguy.opencontacts
+package de.voidspace.recon
 
 import io.flutter.embedding.android.FlutterActivity
 
diff --git a/android/app/src/main/kotlin/me/voidspace/recon/MainActivity.kt b/android/app/src/main/kotlin/me/voidspace/recon/MainActivity.kt
index b4bb367..78c26aa 100644
--- a/android/app/src/main/kotlin/me/voidspace/recon/MainActivity.kt
+++ b/android/app/src/main/kotlin/me/voidspace/recon/MainActivity.kt
@@ -1,4 +1,4 @@
-package debug.tojcklguy.opencontacts
+package de.voidspace.recon
 
 import io.flutter.embedding.android.FlutterActivity
 
diff --git a/android/app/src/profile/AndroidManifest.xml b/android/app/src/profile/AndroidManifest.xml
index 86a2564..68748a4 100644
--- a/android/app/src/profile/AndroidManifest.xml
+++ b/android/app/src/profile/AndroidManifest.xml
@@ -1,5 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="debug.tojcklguy.opencontacts">
+    package="de.voidspace.recon">
     <!-- The INTERNET permission is required for development. Specifically,
          the Flutter tool needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
diff --git a/linux/CMakeLists.txt b/linux/CMakeLists.txt
index 032d1cb..a78073f 100644
--- a/linux/CMakeLists.txt
+++ b/linux/CMakeLists.txt
@@ -7,7 +7,7 @@ project(runner LANGUAGES CXX)
 set(BINARY_NAME "recon")
 # The unique GTK application identifier for this application. See:
 # https://wiki.gnome.org/HowDoI/ChooseApplicationID
-set(APPLICATION_ID "debug.tojcklguy.opencontacts")
+set(APPLICATION_ID "de.voidspace.recon")
 
 # Explicitly opt in to modern CMake behaviors to avoid warnings with recent
 # versions of CMake.