diff --git a/.github/workflows/build-companion-unstable.yml b/.github/workflows/build-companion-unstable.yml
index 318b767..da5d09a 100644
--- a/.github/workflows/build-companion-unstable.yml
+++ b/.github/workflows/build-companion-unstable.yml
@@ -10,8 +10,8 @@ jobs:
     env:
       working-directory: ./companion_app
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-java@v2
+    - uses: actions/checkout@v3
+    - uses: actions/setup-java@v3
       with:
         distribution: 'zulu'
         java-version: '11'
diff --git a/.github/workflows/build-tagged.yml b/.github/workflows/build-tagged.yml
index 1c56b11..a0562fb 100644
--- a/.github/workflows/build-tagged.yml
+++ b/.github/workflows/build-tagged.yml
@@ -12,8 +12,8 @@ jobs:
       working-directory: ./companion_app
 
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-java@v2
+    - uses: actions/checkout@v3
+    - uses: actions/setup-java@v3
       with:
         distribution: 'zulu'
         java-version: '11'
diff --git a/backup.sh b/backup.sh
index 93eeb29..b6c5664 100755
--- a/backup.sh
+++ b/backup.sh
@@ -4,7 +4,7 @@ set -e
 # Application metadata - don't change
 # This is used to download a stable, compatible version of the Android companion app,
 # so it should match the tag name in GitHub Releases
-APP_VERSION="v1.0.1"
+APP_VERSION="v1.0.2"
 
 SOURCE="${BASH_SOURCE[0]}"
 while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
diff --git a/companion_app/lib/main.dart b/companion_app/lib/main.dart
index 63deead..aae0b62 100644
--- a/companion_app/lib/main.dart
+++ b/companion_app/lib/main.dart
@@ -120,9 +120,9 @@ class _HomeState extends State<Home> {
       }
       String csv = const ListToCsvConverter().convert(processedMessages);
 
-      final File sms_file_export = File(
+      final File smsFileExport = File(
           "/storage/emulated/0/linux-android-backup-temp/SMS_Messages.csv");
-      sms_file_export.writeAsString(csv);
+      smsFileExport.writeAsString(csv);
 
       // Show a dialog if the export is complete
       showInfoDialog(context, "Data Exported",
@@ -212,7 +212,8 @@ class _HomeState extends State<Home> {
             const Text(
               "The Linux Android Backup companion app allows for backups of your contacts, with more to come. It doesn't upload your data to a remote server: data is saved to the internal storage and then read by the script running on your computer.",
             ),
-            const Text("This app requires a computer as well as the Linux Android Backup script running."),
+            const Text(
+                "This app requires a computer as well as the Linux Android Backup script running."),
             ElevatedButton(
               onPressed: () {
                 setState(() {
diff --git a/companion_app/pubspec.lock b/companion_app/pubspec.lock
index d8d59eb..de98917 100644
--- a/companion_app/pubspec.lock
+++ b/companion_app/pubspec.lock
@@ -5,107 +5,122 @@ packages:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dartlang.org"
+      sha256: bfe67ef28df125b7dddcea62755991f807aa39a2492a23e1550161692950bbe0
+      url: "https://pub.dev"
     source: hosted
-    version: "2.9.0"
+    version: "2.10.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dartlang.org"
+      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   characters:
     dependency: transitive
     description:
       name: characters
-      url: "https://pub.dartlang.org"
+      sha256: e6a326c8af69605aec75ed6c187d06b349707a27fbff8222ca9cc2cff167975c
+      url: "https://pub.dev"
     source: hosted
     version: "1.2.1"
   clock:
     dependency: transitive
     description:
       name: clock
-      url: "https://pub.dartlang.org"
+      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
+      url: "https://pub.dev"
     source: hosted
     version: "1.1.1"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.dartlang.org"
+      sha256: cfc915e6923fe5ce6e153b0723c753045de46de1b4d63771530504004a45fae0
+      url: "https://pub.dev"
     source: hosted
-    version: "1.16.0"
+    version: "1.17.0"
   csv:
     dependency: "direct main"
     description:
       name: csv
-      url: "https://pub.dartlang.org"
+      sha256: "18aef53ab72181a0b5384562d18c8cbd57e941e24cb8e54eb41409d3d8abdc6d"
+      url: "https://pub.dev"
     source: hosted
     version: "5.0.1"
   device_info_plus:
     dependency: "direct main"
     description:
       name: device_info_plus
-      url: "https://pub.dartlang.org"
+      sha256: c2386729379f04cd39ee0d5d4c48d8c8a0e70f7622dac626cbf5e396392602fd
+      url: "https://pub.dev"
     source: hosted
-    version: "3.2.0"
+    version: "3.2.4"
   device_info_plus_linux:
     dependency: transitive
     description:
       name: device_info_plus_linux
-      url: "https://pub.dartlang.org"
+      sha256: e4eb5db4704f5534e872148a21cfcd39581022b63df556da6720d88f7c9f91a9
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   device_info_plus_macos:
     dependency: transitive
     description:
       name: device_info_plus_macos
-      url: "https://pub.dartlang.org"
+      sha256: "38871fd2ad31871399d8307630c9f4eb5941dd2c643ee221c44d58de95d367a1"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.2.0"
+    version: "2.2.3"
   device_info_plus_platform_interface:
     dependency: transitive
     description:
       name: device_info_plus_platform_interface
-      url: "https://pub.dartlang.org"
+      sha256: b2743934f0efc3e291880d76fb341ea114b7e8417d77ee0f93bd21f5dfd3e8d2
+      url: "https://pub.dev"
     source: hosted
-    version: "2.3.0"
+    version: "2.6.1"
   device_info_plus_web:
     dependency: transitive
     description:
       name: device_info_plus_web
-      url: "https://pub.dartlang.org"
+      sha256: "38715ad1ef3bee8915dd7bee08a9ac9ab54472a8df425c887062a3046209f663"
+      url: "https://pub.dev"
     source: hosted
     version: "2.1.0"
   device_info_plus_windows:
     dependency: transitive
     description:
       name: device_info_plus_windows
-      url: "https://pub.dartlang.org"
+      sha256: "8fb1403fc94636d6ab48aeebb5f9379f2ca51cde3b337167ec6f39db09234492"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      url: "https://pub.dartlang.org"
+      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
+      url: "https://pub.dev"
     source: hosted
     version: "1.3.1"
   ffi:
     dependency: transitive
     description:
       name: ffi
-      url: "https://pub.dartlang.org"
+      sha256: "13a6ccf6a459a125b3fcdb6ec73bd5ff90822e071207c663bfd1f70062d51d18"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.2"
+    version: "1.2.1"
   file:
     dependency: transitive
     description:
       name: file
-      url: "https://pub.dartlang.org"
+      sha256: "1b92bec4fc2a72f59a8e15af5f52cd441e4a7860b49499d69dfa817af20e925d"
+      url: "https://pub.dev"
     source: hosted
-    version: "6.1.2"
+    version: "6.1.4"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -115,21 +130,24 @@ packages:
     dependency: "direct main"
     description:
       name: flutter_contacts
-      url: "https://pub.dartlang.org"
+      sha256: "22acebf2ae12dd1ba8340a47e5cbe3cb2c91d9d8fe96194195291afec3d56d40"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.5+1"
+    version: "1.1.6"
   flutter_lints:
     dependency: "direct dev"
     description:
       name: flutter_lints
-      url: "https://pub.dartlang.org"
+      sha256: b543301ad291598523947dc534aaddc5aaad597b709d2426d3a0e0d44c5cb493
+      url: "https://pub.dev"
     source: hosted
     version: "1.0.4"
   flutter_sms_inbox:
     dependency: "direct main"
     description:
       name: flutter_sms_inbox
-      url: "https://pub.dartlang.org"
+      sha256: b45fb15ac1fe866d6a3c9ebe54c85984e9b974363c347b58593a9bceb828a859
+      url: "https://pub.dev"
     source: hosted
     version: "1.0.2"
   flutter_test:
@@ -146,65 +164,98 @@ packages:
     dependency: transitive
     description:
       name: js
-      url: "https://pub.dartlang.org"
+      sha256: "5528c2f391ededb7775ec1daa69e65a2d61276f7552de2b5f7b8d34ee9fd4ab7"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.6.4"
+    version: "0.6.5"
   lints:
     dependency: transitive
     description:
       name: lints
-      url: "https://pub.dartlang.org"
+      sha256: a2c3d198cb5ea2e179926622d433331d8b58374ab8f29cdda6e863bd62fd369c
+      url: "https://pub.dev"
     source: hosted
     version: "1.0.1"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.dartlang.org"
+      sha256: "16db949ceee371e9b99d22f88fa3a73c4e59fd0afed0bd25fc336eb76c198b72"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.12.12"
+    version: "0.12.13"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      url: "https://pub.dartlang.org"
+      sha256: d92141dc6fe1dad30722f9aa826c7fbc896d021d792f80678280601aff8cf724
+      url: "https://pub.dev"
     source: hosted
-    version: "0.1.5"
+    version: "0.2.0"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      sha256: "6c268b42ed578a53088d834796959e4a1814b5e9e164f147f580a386e5decf42"
+      url: "https://pub.dev"
     source: hosted
     version: "1.8.0"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.dartlang.org"
+      sha256: db9d4f58c908a4ba5953fcee2ae317c94889433e5024c27ce74a37f94267945b
+      url: "https://pub.dev"
     source: hosted
     version: "1.8.2"
   permission_handler:
     dependency: "direct main"
     description:
       name: permission_handler
-      url: "https://pub.dartlang.org"
+      sha256: "33c6a1253d1f95fd06fa74b65b7ba907ae9811f9d5c1d3150e51417d04b8d6a8"
+      url: "https://pub.dev"
     source: hosted
-    version: "8.3.0"
+    version: "10.2.0"
+  permission_handler_android:
+    dependency: transitive
+    description:
+      name: permission_handler_android
+      sha256: "8028362b40c4a45298f1cbfccd227c8dd6caf0e27088a69f2ba2ab15464159e2"
+      url: "https://pub.dev"
+    source: hosted
+    version: "10.2.0"
+  permission_handler_apple:
+    dependency: transitive
+    description:
+      name: permission_handler_apple
+      sha256: "9c370ef6a18b1c4b2f7f35944d644a56aa23576f23abee654cf73968de93f163"
+      url: "https://pub.dev"
+    source: hosted
+    version: "9.0.7"
   permission_handler_platform_interface:
     dependency: transitive
     description:
       name: permission_handler_platform_interface
-      url: "https://pub.dartlang.org"
+      sha256: "68abbc472002b5e6dfce47fe9898c6b7d8328d58b5d2524f75e277c07a97eb84"
+      url: "https://pub.dev"
     source: hosted
-    version: "3.7.0"
+    version: "3.9.0"
+  permission_handler_windows:
+    dependency: transitive
+    description:
+      name: permission_handler_windows
+      sha256: f67cab14b4328574938ecea2db3475dad7af7ead6afab6338772c5f88963e38b
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.2"
   plugin_platform_interface:
     dependency: transitive
     description:
       name: plugin_platform_interface
-      url: "https://pub.dartlang.org"
+      sha256: dbf0f707c78beedc9200146ad3cb0ab4d5da13c246336987be6940f026500d3a
+      url: "https://pub.dev"
     source: hosted
-    version: "2.0.2"
+    version: "2.1.3"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -214,58 +265,66 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.dartlang.org"
+      sha256: dd904f795d4b4f3b870833847c461801f6750a9fa8e61ea5ac53f9422b31f250
+      url: "https://pub.dev"
     source: hosted
-    version: "1.9.0"
+    version: "1.9.1"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      sha256: c3c7d8edb15bee7f0f74debd4b9c5f3c2ea86766fe4178eb2a18eb30a0bdaed5
+      url: "https://pub.dev"
     source: hosted
-    version: "1.10.0"
+    version: "1.11.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dartlang.org"
+      sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dartlang.org"
+      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.1"
+    version: "1.2.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dartlang.org"
+      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      url: "https://pub.dev"
     source: hosted
     version: "1.2.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dartlang.org"
+      sha256: ad540f65f92caa91bf21dfc8ffb8c589d6e4dc0c2267818b4cc2792857706206
+      url: "https://pub.dev"
     source: hosted
-    version: "0.4.12"
+    version: "0.4.16"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      url: "https://pub.dartlang.org"
+      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.2"
+    version: "2.1.4"
   win32:
     dependency: transitive
     description:
       name: win32
-      url: "https://pub.dartlang.org"
+      sha256: c0e3a4f7be7dae51d8f152230b86627e3397c1ba8c3fa58e63d44a9f3edc9cef
+      url: "https://pub.dev"
     source: hosted
-    version: "2.3.3"
+    version: "2.6.1"
 sdks:
-  dart: ">=2.17.0-0 <3.0.0"
-  flutter: ">=2.5.0"
+  dart: ">=2.18.0 <3.0.0"
+  flutter: ">=2.8.0"
diff --git a/companion_app/pubspec.yaml b/companion_app/pubspec.yaml
index ac98f98..b8a488c 100644
--- a/companion_app/pubspec.yaml
+++ b/companion_app/pubspec.yaml
@@ -15,7 +15,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 1.0.1+1
+version: 1.0.2+1
 
 environment:
   sdk: ">=2.15.1 <3.0.0"
@@ -35,7 +35,7 @@ dependencies:
   # Use with the CupertinoIcons class for iOS style icons.
   #cupertino_icons: ^1.0.2
   flutter_contacts: ^1.1.5
-  permission_handler: ^8.3.0
+  permission_handler: ^10.2.0
   device_info_plus: ^3.2.0
   flutter_sms_inbox: ^1.0.2
   csv: ^5.0.1