diff --git a/.github/workflows/versions.env b/.github/workflows/versions.env
index 08f97c5e..771a477f 100644
--- a/.github/workflows/versions.env
+++ b/.github/workflows/versions.env
@@ -1,2 +1,2 @@
-flutter_version=3.10.6
-dart_version=3.0.6
+flutter_version=3.19.0
+dart_version=3.3.0
diff --git a/lib/src/models/receipts.dart b/lib/src/models/receipts.dart
index 1130740c..c43fe3c1 100644
--- a/lib/src/models/receipts.dart
+++ b/lib/src/models/receipts.dart
@@ -44,7 +44,7 @@ class Receipt {
   const Receipt(this.user, this.time);
 
   @override
-  bool operator ==(dynamic other) => (other is Receipt &&
+  bool operator ==(Object other) => (other is Receipt &&
       other.user == user &&
       other.time.millisecondsSinceEpoch == time.millisecondsSinceEpoch);
 
diff --git a/lib/src/room.dart b/lib/src/room.dart
index 9a067fbf..5c4a6ec0 100644
--- a/lib/src/room.dart
+++ b/lib/src/room.dart
@@ -2364,7 +2364,7 @@ class Room {
       : setSpaceChild(roomId, via: const []);
 
   @override
-  bool operator ==(dynamic other) => (other is Room && other.id == id);
+  bool operator ==(Object other) => (other is Room && other.id == id);
 
   @override
   int get hashCode => Object.hashAll([id]);
diff --git a/lib/src/user.dart b/lib/src/user.dart
index 5948e69e..5cd4563f 100644
--- a/lib/src/user.dart
+++ b/lib/src/user.dart
@@ -175,7 +175,7 @@ class User extends Event {
       room.canChangePowerLevel && powerLevel < room.ownPowerLevel;
 
   @override
-  bool operator ==(dynamic other) => (other is User &&
+  bool operator ==(Object other) => (other is User &&
       other.id == id &&
       other.room == room &&
       other.membership == membership);
diff --git a/lib/src/utils/crypto/native.dart b/lib/src/utils/crypto/native.dart
index 8ef84ef2..1ef0613d 100644
--- a/lib/src/utils/crypto/native.dart
+++ b/lib/src/utils/crypto/native.dart
@@ -1,3 +1,7 @@
+// ignore_for_file: deprecated_member_use
+// ignoring the elementAt deprecation because this would make the SDK
+// incompatible with older flutter versions than 3.19.0 or dart 3.3.0
+
 import 'dart:async';
 import 'dart:ffi';
 import 'dart:typed_data';
diff --git a/lib/src/utils/device_keys_list.dart b/lib/src/utils/device_keys_list.dart
index b4a26585..db235c2a 100644
--- a/lib/src/utils/device_keys_list.dart
+++ b/lib/src/utils/device_keys_list.dart
@@ -354,7 +354,7 @@ abstract class SignableKey extends MatrixSignableKey {
   String toString() => json.encode(toJson());
 
   @override
-  bool operator ==(dynamic other) => (other is SignableKey &&
+  bool operator ==(Object other) => (other is SignableKey &&
       other.userId == userId &&
       other.identifier == identifier);