diff --git "a/IdentityServer4_Demo/2_\345\257\206\347\240\201\346\250\241\345\274\217_ResourceOwnerPasswords/Api/2_Api.csproj" "b/IdentityServer4_Demo/2_\345\257\206\347\240\201\346\250\241\345\274\217_ResourceOwnerPasswords/Api/2_Api.csproj"
index 42590a4..589ebe8 100644
--- "a/IdentityServer4_Demo/2_\345\257\206\347\240\201\346\250\241\345\274\217_ResourceOwnerPasswords/Api/2_Api.csproj"
+++ "b/IdentityServer4_Demo/2_\345\257\206\347\240\201\346\250\241\345\274\217_ResourceOwnerPasswords/Api/2_Api.csproj"
@@ -10,7 +10,7 @@
 
   <ItemGroup>
     <PackageReference Include="IdentityServer4.AccessTokenValidation" Version="2.1.0" />
-    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.0" />
+    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.9" />
   </ItemGroup>
 
   <ItemGroup>