diff --git a/packages/backend/package.json b/packages/backend/package.json
index 060064489..ec6451f61 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -28,13 +28,11 @@
 		"@bull-board/api": "5.2.0",
 		"@bull-board/koa": "5.2.0",
 		"@bull-board/ui": "5.2.0",
-		"megalodon": "workspace:*",
 		"@discordapp/twemoji": "14.1.2",
 		"@elastic/elasticsearch": "7.17.0",
 		"@koa/cors": "3.4.3",
 		"@koa/multer": "3.0.2",
 		"@koa/router": "9.0.1",
-		"@msgpack/msgpack": "3.0.0-beta2",
 		"@peertube/http-signature": "1.7.0",
 		"@redocly/openapi-core": "1.0.0-beta.120",
 		"@sinonjs/fake-timers": "9.1.2",
@@ -87,9 +85,11 @@
 		"koa-send": "5.0.1",
 		"koa-slow": "2.1.0",
 		"koa-views": "7.0.2",
+		"megalodon": "workspace:*",
 		"meilisearch": "0.33.0",
 		"mfm-js": "0.23.3",
 		"mime-types": "2.1.35",
+		"msgpackr": "1.9.5",
 		"multer": "1.4.4-lts.1",
 		"native-utils": "link:native-utils",
 		"nested-property": "4.0.0",
diff --git a/packages/backend/src/misc/cache.ts b/packages/backend/src/misc/cache.ts
index fe68908e5..913258f05 100644
--- a/packages/backend/src/misc/cache.ts
+++ b/packages/backend/src/misc/cache.ts
@@ -1,5 +1,5 @@
 import { redisClient } from "@/db/redis.js";
-import { encode, decode } from "@msgpack/msgpack";
+import { encode, decode } from "msgpackr";
 import { ChainableCommander } from "ioredis";
 
 export class Cache<T> {
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 3fc168cf1..b9522c434 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -105,9 +105,6 @@ importers:
       '@koa/router':
         specifier: 9.0.1
         version: 9.0.1
-      '@msgpack/msgpack':
-        specifier: 3.0.0-beta2
-        version: 3.0.0-beta2
       '@peertube/http-signature':
         specifier: 1.7.0
         version: 1.7.0
@@ -276,6 +273,9 @@ importers:
       mime-types:
         specifier: 2.1.35
         version: 2.1.35
+      msgpackr:
+        specifier: 1.9.5
+        version: 1.9.5
       multer:
         specifier: 1.4.4-lts.1
         version: 1.4.4-lts.1
@@ -2607,11 +2607,6 @@ packages:
       os-filter-obj: 2.0.0
     dev: true
 
-  /@msgpack/msgpack@3.0.0-beta2:
-    resolution: {integrity: sha512-y+l1PNV0XDyY8sM3YtuMLK5vE3/hkfId+Do8pLo/OPxfxuFAUwcGz3oiiUuV46/aBpwTzZ+mRWVMtlSKbradhw==}
-    engines: {node: '>= 14'}
-    dev: false
-
   /@msgpackr-extract/msgpackr-extract-darwin-arm64@3.0.2:
     resolution: {integrity: sha512-9bfjwDxIDWmmOKusUcqdS4Rw+SETlp9Dy39Xui9BEGEk19dDwH0jhipwFzEff/pFg95NKymc6TOTbRKcWeRqyQ==}
     cpu: [arm64]