diff --git a/.gitignore b/.gitignore
index d04e98a56..47ed833c4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -71,3 +71,4 @@
 !**/ios/**/default.pbxuser
 !**/ios/**/default.perspectivev3
 !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
+ios/Flutter/flutter_export_environment.sh
diff --git a/android/gradle.properties b/android/gradle.properties
index 755300e3a..1515360c4 100644
--- a/android/gradle.properties
+++ b/android/gradle.properties
@@ -2,3 +2,4 @@ org.gradle.jvmargs=-Xmx1536M
 
 android.useAndroidX=true
 android.enableJetifier=true
+android.enableR8=true
diff --git a/lib/main.dart b/lib/main.dart
index afac4c636..58b5975f1 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -14,6 +14,10 @@ import 'package:flutter_native_timezone/flutter_native_timezone.dart';
 import 'package:permission_handler/permission_handler.dart';
 
 void main() {
+  // initialize binding/plugins to configure Skia before `runApp`
+  WidgetsFlutterBinding.ensureInitialized();
+  // configure Skia cache to prevent zoomed images becoming black, cf https://github.com/flutter/flutter/issues/36191
+  SystemChannels.skia.invokeMethod('Skia.setResourceCacheMaxBytes', 512 * (1 << 20));
   runApp(AvesApp());
 }
 
diff --git a/pubspec.lock b/pubspec.lock
index 33308bef6..a0d76f3e3 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -21,14 +21,14 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.0"
+    version: "2.3.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.4"
+    version: "1.0.5"
   charcode:
     dependency: transitive
     description:
@@ -56,7 +56,7 @@ packages:
       name: crypto
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.2"
+    version: "2.1.3"
   draggable_scrollbar:
     dependency: "direct main"
     description:
@@ -100,7 +100,7 @@ packages:
       name: flutter_svg
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.14.1"
+    version: "0.14.2"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -119,7 +119,14 @@ packages:
       name: google_maps_flutter
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.5.21"
+    version: "0.5.21+7"
+  image:
+    dependency: transitive
+    description:
+      name: image
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.4"
   intl:
     dependency: "direct main"
     description:
@@ -140,14 +147,14 @@ packages:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6"
+    version: "1.1.7"
   path:
     dependency: "direct main"
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.2"
+    version: "1.6.4"
   path_drawing:
     dependency: transitive
     description:
@@ -168,14 +175,14 @@ packages:
       name: pdf
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.19"
+    version: "1.3.22"
   pedantic:
     dependency: transitive
     description:
       name: pedantic
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.8.0+1"
   permission_handler:
     dependency: "direct main"
     description:
@@ -203,14 +210,14 @@ packages:
       name: printing
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.3"
+    version: "2.1.8"
   quiver:
     dependency: transitive
     description:
       name: quiver
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.3"
+    version: "2.0.5"
   screen:
     dependency: "direct main"
     description:
@@ -243,7 +250,7 @@ packages:
       name: sqflite
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6+4"
+    version: "1.1.7+1"
   stack_trace:
     dependency: transitive
     description:
@@ -264,7 +271,7 @@ packages:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.4"
+    version: "1.0.5"
   synchronized:
     dependency: transitive
     description:
@@ -299,7 +306,7 @@ packages:
       name: tuple
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2"
+    version: "1.0.3"
   typed_data:
     dependency: transitive
     description:
@@ -327,7 +334,7 @@ packages:
       name: video_player
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.10.2+1"
+    version: "0.10.2+3"
   xml:
     dependency: transitive
     description:
@@ -336,5 +343,5 @@ packages:
     source: hosted
     version: "3.5.0"
 sdks:
-  dart: ">=2.4.0 <3.0.0"
-  flutter: ">=1.7.0 <2.0.0"
+  dart: ">=2.5.0 <3.0.0"
+  flutter: ">=1.9.1 <2.0.0"