diff --git a/Dapper.GraphQL.Test/Dapper.GraphQL.Test.csproj b/Dapper.GraphQL.Test/Dapper.GraphQL.Test.csproj
index f4efc07..eaec466 100644
--- a/Dapper.GraphQL.Test/Dapper.GraphQL.Test.csproj
+++ b/Dapper.GraphQL.Test/Dapper.GraphQL.Test.csproj
@@ -30,7 +30,7 @@
     <PackageReference Include="dbup-core" Version="4.1.0" />
     <PackageReference Include="dbup-postgresql" Version="4.1.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.2" />
-    <PackageReference Include="Npgsql" Version="4.0.0" />
+    <PackageReference Include="Npgsql" Version="4.0.14" />
     <PackageReference Include="xunit" Version="2.3.1" />
     <PackageReference Include="xunit.analyzers" Version="0.9.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />