diff --git a/assets/ca/lets-encrypt-r3.pem b/assets/ca/lets-encrypt-r3.pem
new file mode 100644
index 0000000..43b222a
--- /dev/null
+++ b/assets/ca/lets-encrypt-r3.pem
@@ -0,0 +1,30 @@
+-----BEGIN CERTIFICATE-----
+MIIFFjCCAv6gAwIBAgIRAJErCErPDBinU/bWLiWnX1owDQYJKoZIhvcNAQELBQAw
+TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh
+cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMjAwOTA0MDAwMDAw
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+Z3Vms/EY96Jc5lP/Ooi2R6X/ExjqmAl3P51T+c8B5fWmcBcUr2Ok/5mzk53cU6cG
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+hCExroL1+7mryIkXPeFM5TgO9r0rvZaBFOvV2z0gp35Z0+L4WPlbuEjN/lxPFin+
+HlUjr8gRsI3qfJOQFy/9rKIJR0Y/8Omwt/8oTWgy1mdeHmmjk7j1nYsvC9JSQ6Zv
+MldlTTKB3zhThV1+XWYp6rjd5JW1zbVWEkLNxE7GJThEUG3szgBVGP7pSWTUTsqX
+nLRbwHOoq7hHwg==
+-----END CERTIFICATE-----
diff --git a/lib/main.dart b/lib/main.dart
index bc0948e..0365b69 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,10 +1,19 @@
+import 'dart:io';
+import 'dart:typed_data';
+
 import 'package:app/state/timeStatusState.dart';
 import 'package:app/state/mapState.dart';
 import 'package:app/view/home.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
 
-void main() {
+void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+
+  ByteData data = await PlatformAssetBundle().load('assets/ca/lets-encrypt-r3.pem');
+  SecurityContext.defaultContext.setTrustedCertificatesBytes(data.buffer.asUint8List());
+
   runApp(
     MultiProvider(
       providers: [
diff --git a/pubspec.yaml b/pubspec.yaml
index ea005e2..e292e1d 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -70,7 +70,8 @@ flutter:
 
   # To add assets to your application, add an assets section, like this:
   assets:
-  - assets/splash/splash.png
+    - assets/ca/
+    - assets/splash/splash.png
 
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.dev/assets-and-images/#resolution-aware