diff --git a/src/YS.Cache.Impl.Memory/YS.Cache.Impl.Memory.csproj b/src/YS.Cache.Impl.Memory/YS.Cache.Impl.Memory.csproj
index 94fbf45..f9cad26 100644
--- a/src/YS.Cache.Impl.Memory/YS.Cache.Impl.Memory.csproj
+++ b/src/YS.Cache.Impl.Memory/YS.Cache.Impl.Memory.csproj
@@ -4,7 +4,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="3.1.3" />
+    <PackageReference Include="Microsoft.Extensions.Caching.Memory" Version="3.1.5" />
     <PackageReference Include="YS.Knife.Core" Version="1.2.5" />
   </ItemGroup>