diff --git a/sample/IdentityServer4.Postgresql.Sample/IdentityServer4.Postgresql.Sample.csproj b/sample/IdentityServer4.Postgresql.Sample/IdentityServer4.Postgresql.Sample.csproj
index ecfa37a..deb29eb 100644
--- a/sample/IdentityServer4.Postgresql.Sample/IdentityServer4.Postgresql.Sample.csproj
+++ b/sample/IdentityServer4.Postgresql.Sample/IdentityServer4.Postgresql.Sample.csproj
@@ -19,7 +19,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.2.2" />
+    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.2.5" />
   </ItemGroup>
 
 </Project>