1 files changed, 2 insertions, 1 deletions
diff --git a/src/MessagePack.UnityClient/Assets/Scripts/MessagePack/MessagePack.asmdef b/src/MessagePack.UnityClient/Assets/Scripts/MessagePack/MessagePack.asmdef
index f1e851eb..ff7f5b38 100644
--- a/src/MessagePack.UnityClient/Assets/Scripts/MessagePack/MessagePack.asmdef
+++ b/src/MessagePack.UnityClient/Assets/Scripts/MessagePack/MessagePack.asmdef
@@ -13,9 +13,10 @@
         "System.Buffers.dll",
         "System.Threading.Tasks.Extensions.dll",
         "System.Runtime.CompilerServices.Unsafe.dll",
+        "Microsoft.NET.StringTools.dll",
         "System.Runtime.Extensions.dll"
     ],
     "autoReferenced": true,
     "defineConstraints": [],
     "versionDefines": []
-}
-\ No newline at end of file
+}