diff --git a/packages/celest_ast/CHANGELOG.md b/packages/celest_ast/CHANGELOG.md
index 10a629c..b744412 100644
--- a/packages/celest_ast/CHANGELOG.md
+++ b/packages/celest_ast/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.1.3
+
+- fix: Add missing switch case
+
 ## 0.1.2
 
 - Initial version.
diff --git a/packages/celest_ast/lib/src/resolved_ast.dart b/packages/celest_ast/lib/src/resolved_ast.dart
index 6d91ceb..419e334 100644
--- a/packages/celest_ast/lib/src/resolved_ast.dart
+++ b/packages/celest_ast/lib/src/resolved_ast.dart
@@ -655,7 +655,13 @@ sealed class ResolvedExternalAuthProvider implements Node {
     return switch (proto.type) {
       pb.ResolvedExternalAuthProvider_Type.FIREBASE =>
         ResolvedFirebaseExternalAuthProvider.fromProto(proto),
-      _ => throw ArgumentError.value(proto.type, 'proto.type', 'Invalid type'),
+      pb.ResolvedExternalAuthProvider_Type.SUPABASE =>
+        ResolvedSupabaseExternalAuthProvider.fromProto(proto),
+      final unknown => throw ArgumentError.value(
+          unknown.name,
+          'proto.type',
+          'Invalid type',
+        ),
     };
   }
 
diff --git a/packages/celest_ast/pubspec.yaml b/packages/celest_ast/pubspec.yaml
index 2737bf8..b5ca4d9 100644
--- a/packages/celest_ast/pubspec.yaml
+++ b/packages/celest_ast/pubspec.yaml
@@ -1,6 +1,6 @@
 name: celest_ast
 description: A structured representation of Celest project and service definitions.
-version: 0.1.2
+version: 0.1.3
 homepage: https://celest.dev
 repository: https://github.com/celest-dev/celest/tree/main/packages/celest_ast
 
diff --git a/packages/celest_ast/test/celest_ast_test.dart b/packages/celest_ast/test/celest_ast_test.dart
index a8bc780..e021a68 100644
--- a/packages/celest_ast/test/celest_ast_test.dart
+++ b/packages/celest_ast/test/celest_ast_test.dart
@@ -74,6 +74,17 @@ void main() {
               value: 'test-123',
             ),
           ),
+          ResolvedSupabaseExternalAuthProvider(
+            authProviderId: 'supabase',
+            projectUrl: ResolvedVariable(
+              name: 'SUPABASE_URL',
+              value: 'https://test.supabase.co',
+            ),
+            jwtSecret: ResolvedSecret(
+              name: 'SUPABASE_JWT_SECRET',
+              value: 'jwt-secret',
+            ),
+          ),
         ],
       ),
       variables: [
@@ -178,6 +189,20 @@ void main() {
                 },
               },
             },
+            {
+              'authProviderId': 'supabase',
+              'type': 'SUPABASE',
+              'supabase': {
+                'projectUrl': {
+                  'name': 'SUPABASE_URL',
+                  'value': 'https://test.supabase.co',
+                },
+                'jwtSecret': {
+                  'name': 'SUPABASE_JWT_SECRET',
+                  'value': 'jwt-secret',
+                },
+              },
+            },
           ],
         },
         'variables': [