diff --git a/packages/plugins/typescript-resolvers/src/root.handlebars b/packages/plugins/typescript-resolvers/src/root.handlebars
index 56201d82987..c19703c5a78 100644
--- a/packages/plugins/typescript-resolvers/src/root.handlebars
+++ b/packages/plugins/typescript-resolvers/src/root.handlebars
@@ -66,7 +66,7 @@ export type DirectiveResolverFn<TResult, TArgs = {}, TContext = {}> = (
 {{~> scalar}}
 {{/each}}
 
-export interface IResolvers<TContext = {{{ getContext }}}> {
+export type IResolvers<TContext = {{{ getContext }}}> = {
   {{#each types}}
     {{ convert name 'typeNames'}}{{#unless @root.config.strict}}?{{/unless}}: {{ convert name 'typeNames'}}Resolvers{{#unless @root.config.noNamespaces}}.Resolvers{{/unless}}<TContext>;
   {{/each}}
@@ -79,10 +79,10 @@ export interface IResolvers<TContext = {{{ getContext }}}> {
   {{#each scalars}}
     {{ convert name 'typeNames'}}{{#unless @root.config.strict}}?{{/unless}}: GraphQLScalarType;
   {{/each}}
-}
+} & { [typeName: string] : never };
 
-export interface IDirectiveResolvers<Result> {
+export type IDirectiveResolvers<Result> = {
   {{#each definedDirectives}}
     {{ name }}{{#unless @root.config.strict}}?{{/unless}}: {{ convert name 'typeNames'}}DirectiveResolver<Result>;
   {{/each}}
-}
+} & { [directiveName: string] : never };
diff --git a/packages/plugins/typescript-resolvers/tests/typescript-resolvers.spec.ts b/packages/plugins/typescript-resolvers/tests/typescript-resolvers.spec.ts
index 3a9f3c440cb..08a5cb90e23 100644
--- a/packages/plugins/typescript-resolvers/tests/typescript-resolvers.spec.ts
+++ b/packages/plugins/typescript-resolvers/tests/typescript-resolvers.spec.ts
@@ -1230,23 +1230,23 @@ describe('Resolvers', () => {
     );
 
     expect(content).toBeSimilarStringTo(`
-      export interface IResolvers<TContext = {}> {
+      export type IResolvers<TContext = {}> = {
         Query?: QueryResolvers<TContext>;
         Post?: PostResolvers<TContext>;
         User?: UserResolvers<TContext>;
         Node?: NodeResolvers;
         PostOrUser?: PostOrUserResolvers;
         Date?: GraphQLScalarType;
-      }
+      } & { [typeName: string] : never };
     `);
 
     expect(content).toBeSimilarStringTo(`
-      export interface IDirectiveResolvers<Result> {
+      export type IDirectiveResolvers<Result> = {
         modify?: ModifyDirectiveResolver<Result>;
         skip?: SkipDirectiveResolver<Result>;
         include?: IncludeDirectiveResolver<Result>;
         deprecated?: DeprecatedDirectiveResolver<Result>;
-      }
+      } & { [directiveName: string] : never };
     `);
   });