diff --git a/ios/Podfile b/ios/Podfile
index 69ed111..1cecf97 100644
--- a/ios/Podfile
+++ b/ios/Podfile
@@ -1,4 +1,4 @@
-platform :ios, '12.0'
+platform :ios, '15.5'
 
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'
 
diff --git a/lib/screens/channel_chat_screen.dart b/lib/screens/channel_chat_screen.dart
index 84aeb0a..380c7ce 100644
--- a/lib/screens/channel_chat_screen.dart
+++ b/lib/screens/channel_chat_screen.dart
@@ -727,6 +727,7 @@ class _ChannelChatScreenState extends State<ChannelChatScreen> {
                   inputFormatters: [
                     Utf8LengthLimitingTextInputFormatter(maxBytes),
                   ],
+                  textCapitalization: TextCapitalization.sentences,
                   decoration: InputDecoration(
                     hintText: context.l10n.chat_typeMessage,
                     border: OutlineInputBorder(
diff --git a/lib/screens/chat_screen.dart b/lib/screens/chat_screen.dart
index a1707b9..079f25d 100644
--- a/lib/screens/chat_screen.dart
+++ b/lib/screens/chat_screen.dart
@@ -281,6 +281,7 @@ class _ChatScreenState extends State<ChatScreen> {
                     inputFormatters: [
                       Utf8LengthLimitingTextInputFormatter(maxBytes),
                     ],
+                    textCapitalization: TextCapitalization.sentences,
                     decoration: InputDecoration(
                       hintText: context.l10n.chat_typeMessage,
                       border: const OutlineInputBorder(),