diff --git a/packages/apollo/tests/code-first/recipes/recipes.resolver.ts b/packages/apollo/tests/code-first/recipes/recipes.resolver.ts
index 80b140cfd..4f159592c 100644
--- a/packages/apollo/tests/code-first/recipes/recipes.resolver.ts
+++ b/packages/apollo/tests/code-first/recipes/recipes.resolver.ts
@@ -95,6 +95,6 @@ export class RecipesResolver {
     description: 'subscription description',
   })
   recipeAdded() {
-    return pubSub.asyncIterator('recipeAdded');
+    return pubSub.asyncIterableIterator('recipeAdded');
   }
 }
diff --git a/packages/apollo/tests/graphql/cats/cats.resolvers.ts b/packages/apollo/tests/graphql/cats/cats.resolvers.ts
index efd7acbf5..1761d6b1e 100644
--- a/packages/apollo/tests/graphql/cats/cats.resolvers.ts
+++ b/packages/apollo/tests/graphql/cats/cats.resolvers.ts
@@ -51,6 +51,6 @@ export class CatsResolvers {
 
   @Subscription('catCreated')
   catCreated() {
-    return pubSub.asyncIterator('catCreated');
+    return pubSub.asyncIterableIterator('catCreated');
   }
 }
diff --git a/packages/apollo/tests/subscriptions/app/notification.resolver.ts b/packages/apollo/tests/subscriptions/app/notification.resolver.ts
index 419ba562f..89516953b 100644
--- a/packages/apollo/tests/subscriptions/app/notification.resolver.ts
+++ b/packages/apollo/tests/subscriptions/app/notification.resolver.ts
@@ -33,6 +33,6 @@ export class NotificationResolver {
     id: string,
   ) {
     this.logger.log('User subscribed to newNotification');
-    return pubSub.asyncIterator('newNotification');
+    return pubSub.asyncIterableIterator('newNotification');
   }
 }
diff --git a/packages/graphql/tests/plugin/fixtures/project/recipes/recipes.resolver.ts b/packages/graphql/tests/plugin/fixtures/project/recipes/recipes.resolver.ts
index 040ea084b..5a0e855b6 100644
--- a/packages/graphql/tests/plugin/fixtures/project/recipes/recipes.resolver.ts
+++ b/packages/graphql/tests/plugin/fixtures/project/recipes/recipes.resolver.ts
@@ -47,6 +47,6 @@ export class RecipesResolver {
 
   @Subscription((returns) => Recipe)
   recipeAdded() {
-    return pubSub.asyncIterator('recipeAdded');
+    return pubSub.asyncIterableIterator('recipeAdded');
   }
 }
diff --git a/packages/mercurius/tests/code-first/recipes/recipes.resolver.ts b/packages/mercurius/tests/code-first/recipes/recipes.resolver.ts
index 7a5432127..7097437c4 100644
--- a/packages/mercurius/tests/code-first/recipes/recipes.resolver.ts
+++ b/packages/mercurius/tests/code-first/recipes/recipes.resolver.ts
@@ -94,6 +94,6 @@ export class RecipesResolver {
     description: 'subscription description',
   })
   recipeAdded() {
-    return pubSub.asyncIterator('recipeAdded');
+    return pubSub.asyncIterableIterator('recipeAdded');
   }
 }
diff --git a/packages/mercurius/tests/graphql/cats/cats.resolvers.ts b/packages/mercurius/tests/graphql/cats/cats.resolvers.ts
index efd7acbf5..1761d6b1e 100644
--- a/packages/mercurius/tests/graphql/cats/cats.resolvers.ts
+++ b/packages/mercurius/tests/graphql/cats/cats.resolvers.ts
@@ -51,6 +51,6 @@ export class CatsResolvers {
 
   @Subscription('catCreated')
   catCreated() {
-    return pubSub.asyncIterator('catCreated');
+    return pubSub.asyncIterableIterator('catCreated');
   }
 }