diff --git a/src/Zsharp.Entity.Postgres/Zsharp.Entity.Postgres.csproj b/src/Zsharp.Entity.Postgres/Zsharp.Entity.Postgres.csproj
index 0579b4f..dfb553d 100644
--- a/src/Zsharp.Entity.Postgres/Zsharp.Entity.Postgres.csproj
+++ b/src/Zsharp.Entity.Postgres/Zsharp.Entity.Postgres.csproj
@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="NBitcoin" Version="5.0.47" />
-    <PackageReference Include="Npgsql" Version="4.1.4" />
+    <PackageReference Include="Npgsql" Version="4.1.13" />
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="3.1.4" />
   </ItemGroup>
 
diff --git a/src/Zsharp.LightweightIndexer.Postgres/Zsharp.LightweightIndexer.Postgres.csproj b/src/Zsharp.LightweightIndexer.Postgres/Zsharp.LightweightIndexer.Postgres.csproj
index 621eac8..a6e4b3b 100644
--- a/src/Zsharp.LightweightIndexer.Postgres/Zsharp.LightweightIndexer.Postgres.csproj
+++ b/src/Zsharp.LightweightIndexer.Postgres/Zsharp.LightweightIndexer.Postgres.csproj
@@ -12,7 +12,7 @@
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
     <PackageReference Include="Microsoft.Extensions.Options.DataAnnotations" Version="3.1.6" />
-    <PackageReference Include="Npgsql" Version="4.1.4" />
+    <PackageReference Include="Npgsql" Version="4.1.13" />
     <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="3.1.4" />
   </ItemGroup>