diff --git a/Packages/manifest.json b/Packages/manifest.json
index 700c9ee..3d9dcd8 100644
--- a/Packages/manifest.json
+++ b/Packages/manifest.json
@@ -1,5 +1,6 @@
 {
   "dependencies": {
+    "com.cysharp.memorypack": "https://github.com/Cysharp/MemoryPack.git?path=src/MemoryPack.Unity/Assets/MemoryPack.Unity",
     "com.github-glitchenzo.nugetforunity": "https://github.com/GlitchEnzo/NuGetForUnity.git?path=/src/NuGetForUnity",
     "com.unity.addressables": "2.7.4",
     "com.unity.ide.visualstudio": "2.0.25",
diff --git a/Packages/packages-lock.json b/Packages/packages-lock.json
index e27bb9d..6c88d3b 100644
--- a/Packages/packages-lock.json
+++ b/Packages/packages-lock.json
@@ -1,5 +1,12 @@
 {
   "dependencies": {
+    "com.cysharp.memorypack": {
+      "version": "https://github.com/Cysharp/MemoryPack.git?path=src/MemoryPack.Unity/Assets/MemoryPack.Unity",
+      "depth": 0,
+      "source": "git",
+      "dependencies": {},
+      "hash": "59f48c2aaaaecd6906e6b514d567074708fa4a31"
+    },
     "com.github-glitchenzo.nugetforunity": {
       "version": "https://github.com/GlitchEnzo/NuGetForUnity.git?path=/src/NuGetForUnity",
       "depth": 0,