diff --git a/android/build.gradle b/android/build.gradle
index 0e2917b3..6c103613 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.9.21'
+    ext.kotlin_version = '1.8.22'
     repositories {
         google()
         mavenCentral()
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diff --git a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-72x72@1x.png b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-72x72@1x.png
index 8ea2d19f..e7155166 100644
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diff --git a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-72x72@2x.png b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-72x72@2x.png
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diff --git a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@1x.png
index ec34c507..dfabc725 100644
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diff --git a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png
index de614c91..9a281a86 100644
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diff --git a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png
index ead9b24c..f78d1940 100644
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diff --git a/pubspec.yaml b/pubspec.yaml
index e6c80099..47b89adc 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -85,13 +85,11 @@ flutter_launcher_icons:
   ios: true
   adaptive_icon_background: "assets/images/icon-background-1024x1024.png"
   adaptive_icon_foreground: "assets/images/icon-foreground-1024x1024.png"
-  min_sdk_android: 23
-  remove_alpha_ios: true
-  background_color_ios: "#F4FFFF"
+  min_sdk_android: 24
   web:
     generate: true
     image_path: "assets/images/icon-foreground-1024x1024.png"
-    background_color: "#F4FFFF"
+    background_color: "#FFFFFF"
   macos:
     generate: true
     image_path: "assets/images/icon-1024x1024.png"
diff --git a/web/favicon.png b/web/favicon.png
index 5af0c4d8..c91db600 100644
Binary files a/web/favicon.png and b/web/favicon.png differ
diff --git a/web/icons/Icon-192.png b/web/icons/Icon-192.png
index 3755b658..7d35b4c9 100644
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diff --git a/web/icons/Icon-512.png b/web/icons/Icon-512.png
index 8bd60f52..009b2744 100644
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diff --git a/web/icons/Icon-maskable-192.png b/web/icons/Icon-maskable-192.png
index 3755b658..7d35b4c9 100644
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diff --git a/web/icons/Icon-maskable-512.png b/web/icons/Icon-maskable-512.png
index 8bd60f52..009b2744 100644
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diff --git a/web/manifest.json b/web/manifest.json
index d2570f73..43a405c8 100644
--- a/web/manifest.json
+++ b/web/manifest.json
@@ -3,7 +3,7 @@
     "short_name": "WordlyPlus",
     "start_url": ".",
     "display": "standalone",
-    "background_color": "#F4FFFF",
+    "background_color": "#FFFFFF",
     "theme_color": "#0175C2",
     "description": "Guess the WORD in six tries",
     "orientation": "portrait-primary",