diff --git a/server/csharp/TicketHub/TicketHub.csproj b/server/csharp/TicketHub/TicketHub.csproj
index cafbf88d..2b82c126 100644
--- a/server/csharp/TicketHub/TicketHub.csproj
+++ b/server/csharp/TicketHub/TicketHub.csproj
@@ -13,10 +13,10 @@
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
     <PackageReference Include="NodaTime" Version="3.2.2" />
-    <PackageReference Include="Npgsql" Version="9.0.3" />
+    <PackageReference Include="Npgsql" Version="9.0.4" />
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.4" />
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL.NodaTime" Version="9.0.4" />
-    <PackageReference Include="Npgsql.Json.NET" Version="9.0.3" />
+    <PackageReference Include="Npgsql.Json.NET" Version="9.0.4" />
     <PackageReference Include="Styra.Opa" Version="1.5.4" />
     <PackageReference Include="Styra.Ucast.Linq" Version="0.6.0" />
   </ItemGroup>