diff --git a/models/core/src/migration.ts b/models/core/src/migration.ts
index a9a216656e..82efebbcfa 100644
--- a/models/core/src/migration.ts
+++ b/models/core/src/migration.ts
@@ -16,40 +16,43 @@
 import { saveCollabJson } from '@hcengineering/collaboration'
 import core, {
   buildSocialIdString,
+  configUserAccountUuid,
   coreId,
   DOMAIN_MODEL_TX,
   DOMAIN_SPACE,
   DOMAIN_STATUS,
   DOMAIN_TX,
   generateId,
+  groupByArray,
   makeCollabJsonId,
   makeCollabYdocId,
   makeDocCollabId,
   MeasureMetricsContext,
   RateLimiter,
   SocialIdType,
-  type PersonId,
+  systemAccountUuid,
+  toIdMap,
+  TxProcessor,
+  type AccountUuid,
   type AnyAttribute,
+  type AttachedDoc,
   type Blob,
   type Class,
   type Doc,
   type Domain,
   type MeasureContext,
+  type PersonId,
   type Ref,
+  type Role,
+  type SocialKey,
   type Space,
+  type SpaceType,
   type Status,
   type TxCreateDoc,
   type TxCUD,
-  type SpaceType,
+  type TxMixin,
   type TxUpdateDoc,
-  type Role,
-  toIdMap,
-  type TypedSpace,
-  TxProcessor,
-  type SocialKey,
-  type AccountUuid,
-  systemAccountUuid,
-  configUserAccountUuid
+  type TypedSpace
 } from '@hcengineering/core'
 import {
   createDefaultSpace,
@@ -264,6 +267,41 @@ async function processMigrateContentFor (
   }
 }
 
+async function migrateBackupMixins (client: MigrationClient): Promise<void> {
+  // Go via classes with domain and check if mixin exists and need to flush %hash%
+  const hierarchy = client.hierarchy
+  const curHash = Date.now().toString(16) // Current hash value
+
+  const txIterator = await client.traverse<TxMixin<Doc, AttachedDoc>>(DOMAIN_TX, { _class: core.class.TxMixin })
+
+  while (true) {
+    const mixinOps = await txIterator.next(500)
+    if (mixinOps === null || mixinOps.length === 0) break
+    const _classes = groupByArray(mixinOps, (it) => it.objectClass)
+
+    for (const [_class, ops] of _classes.entries()) {
+      const domain = hierarchy.findDomain(_class)
+      if (domain === undefined) continue
+      let docs = await client.find(domain, { _id: { $in: ops.map((it) => it.objectId) } })
+
+      docs = docs.filter((it) => {
+        // Check if mixin is last operation by modifiedOn
+        const mops = ops.filter((mi) => mi.objectId === it._id)
+        if (mops.length === 0) return false
+        return mops.some((mi) => mi.modifiedOn === it.modifiedOn && mi.modifiedBy === it.modifiedBy)
+      })
+
+      if (docs.length > 0) {
+        // Check if docs has mixins from list
+        const toUpdate = docs.filter((it) => hierarchy.findAllMixins(it).length > 0)
+        if (toUpdate.length > 0) {
+          await client.update(domain, { _id: { $in: toUpdate.map((it) => it._id) } }, { '%hash%': curHash })
+        }
+      }
+    }
+  }
+}
+
 async function migrateCollaborativeDocsToJson (client: MigrationClient): Promise<void> {
   const ctx = new MeasureMetricsContext('migrateCollaborativeDocsToJson', {})
   const storageAdapter = client.storageAdapter
@@ -921,6 +959,11 @@ export const coreOperation: MigrateOperation = {
         state: 'accounts-to-social-ids',
         mode: 'upgrade',
         func: migrateAccounts
+      },
+      {
+        state: 'migrate-backup-mixins',
+        mode: 'upgrade',
+        func: migrateBackupMixins
       }
     ])
   },
diff --git a/server/mongo/src/storage.ts b/server/mongo/src/storage.ts
index 79182d055d..def3eb09c5 100644
--- a/server/mongo/src/storage.ts
+++ b/server/mongo/src/storage.ts
@@ -1401,7 +1401,8 @@ class MongoAdapter extends MongoAdapterBase {
     const filter = { _id: tx.objectId }
     const modifyOp = {
       modifiedBy: tx.modifiedBy,
-      modifiedOn: tx.modifiedOn
+      modifiedOn: tx.modifiedOn,
+      '%hash%': this.curHash()
     }
     if (isOperator(tx.attributes)) {
       const update = { ...this.translateMixinAttrs(tx.mixin, tx.attributes), $set: { ...modifyOp } }