diff --git a/ghost/collections/src/CollectionsRepositoryInMemory.ts b/ghost/collections/src/CollectionsRepositoryInMemory.ts
index 3f2813bbcf..8246dc75fe 100644
--- a/ghost/collections/src/CollectionsRepositoryInMemory.ts
+++ b/ghost/collections/src/CollectionsRepositoryInMemory.ts
@@ -6,7 +6,8 @@ export class CollectionsRepositoryInMemory extends InMemoryRepository<string, Co
         return {
             title: entity.title,
             description: entity.description,
-            feature_image: entity.featureImage
+            feature_image: entity.featureImage,
+            type: entity.type
         };
     }
 }
diff --git a/ghost/collections/src/CollectionsService.ts b/ghost/collections/src/CollectionsService.ts
index a3f7e31211..7175e78859 100644
--- a/ghost/collections/src/CollectionsService.ts
+++ b/ghost/collections/src/CollectionsService.ts
@@ -139,6 +139,33 @@ export class CollectionsService {
         return this.toDTO(collection);
     }
 
+    async #updateAutomaticCollectionItems(collection: Collection, filter?:string) {
+        const collectionFilter = filter || collection.filter;
+
+        if (collectionFilter) {
+            const posts = await this.postsRepository.getAll({
+                filter: collectionFilter
+            });
+
+            collection.removeAllPosts();
+
+            for (const post of posts) {
+                collection.addPost(post);
+            }
+        }
+    }
+
+    async updateAutomaticCollections() {
+        const collections = await this.collectionsRepository.getAll({
+            filter: 'type:automatic'
+        });
+
+        for (const collection of collections) {
+            await this.#updateAutomaticCollectionItems(collection);
+            await this.collectionsRepository.save(collection);
+        }
+    }
+
     async edit(data: any): Promise<CollectionDTO | null> {
         const collection = await this.collectionsRepository.getById(data.id);
 
@@ -153,15 +180,7 @@ export class CollectionsService {
         }
 
         if ((collection.type === 'automatic' || data.type === 'automatic') && data.filter) {
-            const posts = await this.postsRepository.getAll({
-                filter: data.filter
-            });
-
-            collection.removeAllPosts();
-
-            for (const post of posts) {
-                collection.addPost(post);
-            }
+            await this.#updateAutomaticCollectionItems(collection, data.filter);
         }
 
         const collectionData = this.fromDTO(data);
diff --git a/ghost/collections/test/collections.test.ts b/ghost/collections/test/collections.test.ts
index 84d810af64..73a62a1887 100644
--- a/ghost/collections/test/collections.test.ts
+++ b/ghost/collections/test/collections.test.ts
@@ -225,5 +225,30 @@ describe('CollectionsService', function () {
             assert.equal(updatedCollection?.posts.length, 1, 'Collection should have one post');
             assert.equal(updatedCollection?.posts[0].id, 'post-2', 'Collection should have the correct post');
         });
+
+        // @NOTE: add a more comprehensive test as this one is too basic
+        it('Updates all automatic collections', async function () {
+            let collection1 = await collectionsService.createCollection({
+                title: 'Featured Collection 1',
+                description: 'testing automatic collection',
+                type: 'automatic',
+                filter: 'featured:true'
+            });
+
+            let collection2 = await collectionsService.createCollection({
+                title: 'Featured Collection 2',
+                description: 'testing automatic collection',
+                type: 'automatic',
+                filter: 'featured:true'
+            });
+
+            assert.equal(collection1.posts.length, 2);
+            assert.equal(collection2.posts.length, 2);
+
+            await collectionsService.updateAutomaticCollections();
+
+            assert.equal(collection1.posts.length, 2);
+            assert.equal(collection2.posts.length, 2);
+        });
     });
 });
diff --git a/ghost/core/core/server/services/collections/index.js b/ghost/core/core/server/services/collections/index.js
index 90c4cf1580..97e839997c 100644
--- a/ghost/core/core/server/services/collections/index.js
+++ b/ghost/core/core/server/services/collections/index.js
@@ -8,6 +8,7 @@ class CollectionsServiceWrapper {
 
     constructor() {
         const models = require('../../models');
+        const events = require('../../lib/common/events');
         const collectionsRepositoryInMemory = new CollectionsRepositoryInMemory();
 
         const collectionsService = new CollectionsService({
@@ -22,6 +23,17 @@ class CollectionsServiceWrapper {
             }
         });
 
+        // @NOTE: these should be reworked to use the "Event" classes
+        //        instead of Bookshelf model events
+        const updateEvents = require('./update-events');
+
+        // @NOTE: naive update implementation to keep things simple for the first version
+        for (const event of updateEvents) {
+            events.on(event, () => {
+                collectionsService.updateAutomaticCollections();
+            });
+        }
+
         this.api = {
             browse: collectionsService.getAll.bind(collectionsService),
             read: collectionsService.getById.bind(collectionsService),
diff --git a/ghost/core/core/server/services/collections/update-events.js b/ghost/core/core/server/services/collections/update-events.js
new file mode 100644
index 0000000000..f0d66869c6
--- /dev/null
+++ b/ghost/core/core/server/services/collections/update-events.js
@@ -0,0 +1,15 @@
+module.exports = [
+    'post.published',
+    'post.published.edited',
+    'post.unpublished',
+    'tag.added',
+    'tag.edited',
+    'tag.attached',
+    'tag.detached',
+    'tag.deleted',
+    'user.activated',
+    'user.activated.edited',
+    'user.attached',
+    'user.detached',
+    'user.deleted'
+];