diff --git a/IssueTracker/IssueTracker.Service/IssueTracker.Service.csproj b/IssueTracker/IssueTracker.Service/IssueTracker.Service.csproj
index 8f9ed6b..fc091e3 100644
--- a/IssueTracker/IssueTracker.Service/IssueTracker.Service.csproj
+++ b/IssueTracker/IssueTracker.Service/IssueTracker.Service.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.1.0" />
+    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.1.21" />
     <PackageReference Include="Microsoft.AspNetCore.SignalR" Version="1.1.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="2.1.0">
       <PrivateAssets>all</PrivateAssets>