diff --git a/app/server/declarations/tmp.d.ts b/app/server/declarations/tmp.d.ts
deleted file mode 100644
index 039ec371ffb..00000000000
--- a/app/server/declarations/tmp.d.ts
+++ /dev/null
@@ -1,8 +0,0 @@
-import {Options, SimpleOptions} from "tmp";
-
-// Add declarations of the promisifies methods of tmp.
-declare module "tmp" {
-  function dirAsync(config?: Options): Promise<string>;
-  function fileAsync(config?: Options): Promise<string>;
-  function tmpNameAsync(config?: SimpleOptions): Promise<string>;
-}
diff --git a/app/server/lib/ActiveDoc.ts b/app/server/lib/ActiveDoc.ts
index 447b10d8474..1bddad9b70c 100644
--- a/app/server/lib/ActiveDoc.ts
+++ b/app/server/lib/ActiveDoc.ts
@@ -148,7 +148,6 @@ import * as moment from 'moment-timezone';
 import fetch from 'node-fetch';
 import stream from 'node:stream';
 import path from 'path';
-import tmp from 'tmp';
 
 import {ActionHistory} from './ActionHistory';
 import {ActionHistoryImpl} from './ActionHistoryImpl';
@@ -172,8 +171,6 @@ import sum = require('lodash/sum');
 import throttle = require('lodash/throttle');
 import without = require('lodash/without');
 
-bluebird.promisifyAll(tmp);
-
 const MAX_RECENT_ACTIONS = 100;
 
 const DEFAULT_TIMEZONE = (process.versions as any).electron ? moment.tz.guess() : "UTC";
diff --git a/app/server/lib/DocPluginManager.ts b/app/server/lib/DocPluginManager.ts
index ba778cc58c2..9d0da667f99 100644
--- a/app/server/lib/DocPluginManager.ts
+++ b/app/server/lib/DocPluginManager.ts
@@ -16,13 +16,9 @@ import { GristServer } from 'app/server/lib/GristServer';
 import log from 'app/server/lib/log';
 import { SafePythonComponent } from 'app/server/lib/SafePythonComponent';
 import { UnsafeNodeComponent } from 'app/server/lib/UnsafeNodeComponent';
-import { promisifyAll } from 'bluebird';
 import * as fse from 'fs-extra';
 import * as path from 'path';
-import tmp from 'tmp';
-
-
-promisifyAll(tmp);
+import * as tmp from 'tmp-promise';
 
 /**
  * Implements GristDocAPI interface.
@@ -196,7 +192,7 @@ export class DocPluginManager {
   }
 
   private async _initialize(): Promise<void> {
-    this._tmpDir = await tmp.dirAsync({ prefix: 'grist-tmp-', unsafeCleanup: true });
+    this._tmpDir = (await tmp.dir({ prefix: 'grist-tmp-', unsafeCleanup: true })).path;
     for (const plugin of this._localPlugins) {
       try {
         // todo: once Comm has been replaced by grain-rpc, pluginInstance.rpc should forward '*' to client
diff --git a/app/server/lib/Requests.ts b/app/server/lib/Requests.ts
index 2c12c947cc9..e37138d6ec8 100644
--- a/app/server/lib/Requests.ts
+++ b/app/server/lib/Requests.ts
@@ -16,7 +16,7 @@ export class DocRequests {
   // and only as long as needed to finish calculating all formulas.
   // When _numPending reaches 0 again, _cacheDir is deleted.
   private _numPending: number = 0;
-  private _cacheDir: tmp.SynchrounousResult | null = null;
+  private _cacheDir: tmp.DirResult | null = null;
 
   constructor(private readonly _activeDoc: ActiveDoc) {}
 
diff --git a/app/server/lib/uploads.ts b/app/server/lib/uploads.ts
index e76791b0582..8e8ce3b0982 100644
--- a/app/server/lib/uploads.ts
+++ b/app/server/lib/uploads.ts
@@ -401,7 +401,7 @@ interface TmpDirResult {
  * Helper to create a temporary directory. It's a simple wrapper around tmp.dir, but replaces the
  * cleanup callback with an asynchronous version.
  */
-export async function createTmpDir(options: tmp.Options): Promise<TmpDirResult> {
+export async function createTmpDir(options: tmp.DirOptions): Promise<TmpDirResult> {
   const fullOptions = {prefix: 'grist-upload-', unsafeCleanup: true, ...options};
 
   const [tmpDir, tmpCleanup]: [string, CleanupCB] = await fromCallback(
diff --git a/package.json b/package.json
index ce0b604aca5..9951d262438 100644
--- a/package.json
+++ b/package.json
@@ -86,7 +86,7 @@
     "@types/sinon": "17.0.3",
     "@types/sqlite3": "3.1.6",
     "@types/swagger-ui": "3.52.4",
-    "@types/tmp": "0.0.33",
+    "@types/tmp": "0.2.6",
     "@types/uuid": "10.0.0",
     "@types/webpack-dev-server": "4.7.2",
     "@types/which": "2.0.1",
@@ -213,7 +213,7 @@
     "slugify": "1.6.6",
     "swagger-ui-dist": "5.11.0",
     "tar-stream": "^3.1.7",
-    "tmp": "0.0.33",
+    "tmp": "0.2.5",
     "tmp-promise": "1.0.5",
     "ts-interface-checker": "1.0.2",
     "typeorm": "0.3.17",
diff --git a/stubs/app/server/tmp.d.ts b/stubs/app/server/tmp.d.ts
deleted file mode 100644
index ef0768e0f2d..00000000000
--- a/stubs/app/server/tmp.d.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-// Add declarations of the promisifies methods of tmp.
-import {Options, SimpleOptions} from "tmp";
-declare module "tmp" {
-  function dirAsync(config?: Options): Promise<string>;
-  function fileAsync(config?: Options): Promise<string>;
-  function tmpNameAsync(config?: SimpleOptions): Promise<string>;
-}
diff --git a/test/server/docTools.ts b/test/server/docTools.ts
index 92ccc9a4bcd..c5a2a1ee16e 100644
--- a/test/server/docTools.ts
+++ b/test/server/docTools.ts
@@ -17,7 +17,7 @@ import {assert} from 'chai';
 import * as fse from 'fs-extra';
 import {tmpdir} from 'os';
 import * as path from 'path';
-import * as tmp from 'tmp';
+import * as tmp from 'tmp-promise';
 
 tmp.setGracefulCleanup();
 
@@ -168,12 +168,12 @@ export async function createDocManager(
 export async function createTmpDir(): Promise<string> {
   const tmpRootDir = process.env.TESTDIR || tmpdir();
   await fse.mkdirs(tmpRootDir);
-  return fse.realpath(await tmp.dirAsync({
+  return (await tmp.dir({
     dir: tmpRootDir,
     prefix: 'grist_test_',
     unsafeCleanup: true,
     keep: noCleanup,
-  }));
+  })).path;
 }
 
 /**
diff --git a/test/server/lib/DocStorage.js b/test/server/lib/DocStorage.js
index 875b193c628..269d7624e35 100644
--- a/test/server/lib/DocStorage.js
+++ b/test/server/lib/DocStorage.js
@@ -1,12 +1,10 @@
 const assert  = require('chai').assert;
 const child_process = require('child_process');
 const fs      = require('fs');
-const tmp     = require('tmp');
 
 const Promise = require('bluebird');
 Promise.promisifyAll(child_process);
 Promise.promisifyAll(fs);
-Promise.promisifyAll(tmp);
 
 const {ActionHistoryImpl} = require('app/server/lib/ActionHistoryImpl');
 const {DocStorage}        = require('app/server/lib/DocStorage');
@@ -15,8 +13,6 @@ const marshal             = require('app/common/marshal');
 const {createDocTools}    = require('test/server/docTools');
 const testUtils           = require('test/server/testUtils');
 
-tmp.setGracefulCleanup();
-
 describe('DocStorage', function() {
 
   var docStorageManager;
diff --git a/test/server/lib/DocStorageManager.ts b/test/server/lib/DocStorageManager.ts
index 2dda2325286..f7481cde377 100644
--- a/test/server/lib/DocStorageManager.ts
+++ b/test/server/lib/DocStorageManager.ts
@@ -3,7 +3,7 @@
 import {assert} from 'chai';
 import * as fse from 'fs-extra';
 import * as path from 'path';
-import * as tmp from 'tmp';
+import * as tmp from 'tmp-promise';
 
 import {DocStorageManager} from 'app/server/lib/DocStorageManager';
 import * as docUtils from 'app/server/lib/docUtils';
@@ -16,12 +16,10 @@ describe('DocStorageManager', function() {
   // Set Grist home to a temporary directory, and wipe it out on exit.
   let docsRoot: string;
   let docStorageManager: DocStorageManager;
-  before(function() {
-    return tmp.dirAsync({ prefix: 'grist_test_', unsafeCleanup: true })
-    .then(tmpDir => {
-      docsRoot = fse.realpathSync(tmpDir);
-      docStorageManager = new DocStorageManager(docsRoot);
-    });
+  before(async function() {
+    const tmpDir = (await tmp.dir({ prefix: 'grist_test_', unsafeCleanup: true })).path;
+    docsRoot = fse.realpathSync(tmpDir);
+    docStorageManager = new DocStorageManager(docsRoot);
   });
 
   describe('getPath', function() {
@@ -81,7 +79,7 @@ describe('DocStorageManager', function() {
       // First create a doc, one under docsRoot, one outside; and include an attachment.
       fse.writeFileSync(doc1, "this is a test");
       const doc2 = tmp.fileSync({
-        prefix: 'DeleteTest2', postfix: '.grist', unsafeCleanup: true,
+        prefix: 'DeleteTest2', postfix: '.grist',
         discardDescriptor: true
       }).name;
       // Check that items got created as we expect.
diff --git a/test/server/lib/DocStorageMigrations.ts b/test/server/lib/DocStorageMigrations.ts
index 68f887ca23a..9ff4985e9e8 100644
--- a/test/server/lib/DocStorageMigrations.ts
+++ b/test/server/lib/DocStorageMigrations.ts
@@ -7,7 +7,7 @@ import * as fse from 'fs-extra';
 import * as path from 'path';
 import * as testUtils from 'test/server/testUtils';
 import {assert} from 'test/server/testUtils';
-import * as tmp from 'tmp';
+import * as tmp from 'tmp-promise';
 
 tmp.setGracefulCleanup();
 const execFileAsync = promisify(child_process.execFile);
@@ -20,7 +20,7 @@ describe('DocStorageMigrations', function() {
 
   before(async function() {
     // Set Grist home to a temporary directory, and wipe it out on exit.
-    let tmpDir = await tmp.dirAsync({ prefix: 'grist_test_', unsafeCleanup: true });
+    let tmpDir = (await tmp.dir({ prefix: 'grist_test_', unsafeCleanup: true })).path;
     tmpDir = await fse.realpath(tmpDir);
     docStorageManager = new DocStorageManager(tmpDir);
   });
diff --git a/test/server/lib/SQLiteDB.ts b/test/server/lib/SQLiteDB.ts
index 629f8070495..e19d3a23f39 100644
--- a/test/server/lib/SQLiteDB.ts
+++ b/test/server/lib/SQLiteDB.ts
@@ -2,7 +2,7 @@ import {assert} from 'chai';
 import * as fse from 'fs-extra';
 import {map, noop} from 'lodash';
 import {join as pathJoin} from 'path';
-import * as tmp from 'tmp';
+import * as tmp from 'tmp-promise';
 
 import {delay} from 'app/common/delay';
 import {OpenMode, SchemaInfo, SQLiteDB} from 'app/server/lib/SQLiteDB';
@@ -13,17 +13,18 @@ tmp.setGracefulCleanup();
 
 describe('SQLiteDB', function() {
   let tmpDir: string;
+  let cleanup: () => void;
 
   // Turn off logging for this test, and restore afterwards.
   testUtils.setTmpLogLevel('warn');
 
   before(async function() {
     // Create a temporary directory, and wipe it out on exit.
-    tmpDir = await tmp.dirAsync({ prefix: 'grist_test_SQLiteDB_', unsafeCleanup: true });
+    ({path: tmpDir, cleanup} = await tmp.dir({ prefix: 'grist_test_SQLiteDB_', unsafeCleanup: true }));
   });
 
-  after(async function() {
-    await fse.remove(tmpDir);
+  after(function() {
+    cleanup();
   });
 
   // Convenience helpers to make tests more concise and readable.
diff --git a/test/server/lib/TestingHooks.ts b/test/server/lib/TestingHooks.ts
index 5a4c39cd647..732d53fb7d8 100644
--- a/test/server/lib/TestingHooks.ts
+++ b/test/server/lib/TestingHooks.ts
@@ -1,14 +1,14 @@
 import {connectTestingHooks, startTestingHooks, TestingHooksClient} from 'app/server/lib/TestingHooks';
 import {assert, setTmpLogLevel} from 'test/server/testUtils';
 
-import * as tmp from 'tmp';
+import * as tmp from 'tmp-promise';
 tmp.setGracefulCleanup();
 
 describe('TestingHooks', function() {
   setTmpLogLevel('warn');
 
   it('should start server and accept basic calls', async function() {
-    const tmpName: string = await tmp.tmpNameAsync({prefix: 'gristtest-'});
+    const tmpName: string = await tmp.tmpName({prefix: 'gristtest-'});
     const server = await startTestingHooks(tmpName, 192348, null as any, null as any, []);
     const stub: TestingHooksClient = await connectTestingHooks(tmpName);
     try {
diff --git a/test/server/testUtils.ts b/test/server/testUtils.ts
index a28a8da216b..6b87e6f09d1 100644
--- a/test/server/testUtils.ts
+++ b/test/server/testUtils.ts
@@ -17,7 +17,7 @@ import * as path from 'path';
 import * as fse from 'fs-extra';
 import clone = require('lodash/clone');
 import * as tmp from 'tmp-promise';
-import {Options as TmpOptions} from 'tmp';
+import {FileOptions as TmpOptions} from 'tmp';
 import * as winston from 'winston';
 import { serialize } from 'winston/lib/winston/common';
 
diff --git a/test/upgradeDocumentImpl.ts b/test/upgradeDocumentImpl.ts
index f4cb037e4df..c7b6644c318 100644
--- a/test/upgradeDocumentImpl.ts
+++ b/test/upgradeDocumentImpl.ts
@@ -12,7 +12,7 @@ import log from 'app/server/lib/log';
 import * as fs from "fs";
 import * as fse from "fs-extra";
 import * as path from "path";
-import * as tmp from "tmp";
+import * as tmp from "tmp-promise";
 
 export async function upgradeDocuments(docPaths: string[]): Promise<void> {
   const docTools = createDocTools();
@@ -31,7 +31,7 @@ export async function upgradeDocuments(docPaths: string[]): Promise<void> {
 }
 
 export async function upgradeDocumentsDocStorageOnly(paths: string[]): Promise<void> {
-  let tmpDir = await tmp.dirAsync({ prefix: 'grist_migrate_', unsafeCleanup: true });
+  let tmpDir = (await tmp.dir({ prefix: 'grist_migrate_', unsafeCleanup: true })).path;
   tmpDir = await fse.realpath(tmpDir);
   const docStorageManager = new DocStorageManager(tmpDir);
 
diff --git a/yarn.lock b/yarn.lock
index 1f582d720b7..608f9592d09 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1484,10 +1484,10 @@
   dependencies:
     "@types/node" "*"
 
-"@types/tmp@0.0.33":
-  version "0.0.33"
-  resolved "https://registry.npmjs.org/@types/tmp/-/tmp-0.0.33.tgz"
-  integrity sha1-EHPEvIJHVK49EM+riKsCN7qWTk0=
+"@types/tmp@0.2.6":
+  version "0.2.6"
+  resolved "https://registry.yarnpkg.com/@types/tmp/-/tmp-0.2.6.tgz#d785ee90c52d7cc020e249c948c36f7b32d1e217"
+  integrity sha512-chhaNf2oKHlRkDGt+tiKE2Z5aJ6qalm7Z9rlLdBwmOiAAf09YQvvoLXjWK4HWPF1xU/fqvMgfNfpVoBscA/tKA==
 
 "@types/tough-cookie@*":
   version "4.0.2"
@@ -7059,8 +7059,8 @@ os-browserify@~0.3.0:
 
 os-tmpdir@~1.0.2:
   version "1.0.2"
-  resolved "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz"
-  integrity sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=
+  resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
+  integrity sha512-D2FR03Vir7FIu45XBY20mTb+/ZSWB00sjU9jdQXt83gDrI4Ztz5Fs7/yy74g2N5SVQY4xY1qDr4rNddwYRVX0g==
 
 otplib@12.0.1:
   version "12.0.1"
@@ -7950,7 +7950,7 @@ rimraf@2:
   dependencies:
     glob "^7.1.3"
 
-rimraf@^3.0.0, rimraf@^3.0.2:
+rimraf@^3.0.2:
   version "3.0.2"
   resolved "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz"
   integrity sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==
@@ -8911,7 +8911,7 @@ tldts@^6.1.32:
 
 tmp-promise@1.0.5:
   version "1.0.5"
-  resolved "https://registry.npmjs.org/tmp-promise/-/tmp-promise-1.0.5.tgz"
+  resolved "https://registry.yarnpkg.com/tmp-promise/-/tmp-promise-1.0.5.tgz#3208d7fa44758f86a2a4c4060f3c33fea30e8038"
   integrity sha512-hOabTz9Tp49wCozFwuJe5ISrOqkECm6kzw66XTP23DuzNU7QS/KiZq5LC9Y7QSy8f1rPSLy4bKaViP0OwGI1cA==
   dependencies:
     bluebird "^3.5.0"
@@ -8919,22 +8919,20 @@ tmp-promise@1.0.5:
 
 tmp@0.0.33:
   version "0.0.33"
-  resolved "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz"
+  resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.0.33.tgz#6d34335889768d21b2bcda0aa277ced3b1bfadf9"
   integrity sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==
   dependencies:
     os-tmpdir "~1.0.2"
 
-tmp@^0.2.0:
-  version "0.2.1"
-  resolved "https://registry.npmjs.org/tmp/-/tmp-0.2.1.tgz"
-  integrity sha512-76SUhtfqR2Ijn+xllcI5P1oyannHNHByD80W1q447gU3mp9G9PSpGdWmjUOHRDPiHYacIk66W7ubDTuPF3BEtQ==
-  dependencies:
-    rimraf "^3.0.0"
+tmp@0.2.5:
+  version "0.2.5"
+  resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.2.5.tgz#b06bcd23f0f3c8357b426891726d16015abfd8f8"
+  integrity sha512-voyz6MApa1rQGUxT3E+BK7/ROe8itEx7vD8/HEvt4xwXucvQ5G5oeEiHkmHZJuBO21RpOf+YYm9MOivj709jow==
 
-tmp@^0.2.3:
-  version "0.2.3"
-  resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.2.3.tgz#eb783cc22bc1e8bebd0671476d46ea4eb32a79ae"
-  integrity sha512-nZD7m9iCPC5g0pYmcaxogYKggSfLsdxl8of3Q/oIbqCqLLIO9IAF0GWjX1z9NZRHPiXv8Wex4yDCaZsgEw0Y8w==
+tmp@^0.2.0, tmp@^0.2.3:
+  version "0.2.4"
+  resolved "https://registry.yarnpkg.com/tmp/-/tmp-0.2.4.tgz#c6db987a2ccc97f812f17137b36af2b6521b0d13"
+  integrity sha512-UdiSoX6ypifLmrfQ/XfiawN6hkjSBpCjhKxxZcWlUUmoXLaCKQU0bx4HF/tdDK2uzRuchf1txGvrWBzYREssoQ==
 
 to-arraybuffer@^1.0.0:
   version "1.0.1"