diff --git a/Build/scripts/Start-Pgsql.ps1 b/Build/scripts/Start-Pgsql.ps1
index d1a0d01c..c65220dd 100644
--- a/Build/scripts/Start-Pgsql.ps1
+++ b/Build/scripts/Start-Pgsql.ps1
@@ -1,7 +1,7 @@
 function Start-Pgsql {
     param ()
     
-    $npgsqldll = Join-Path $env:USERPROFILE ".nuget\packages\npgsql\4.0.11\lib\netstandard2.0\Npgsql.dll"
+    $npgsqldll = Join-Path $env:USERPROFILE ".nuget\packages\npgsql\4.0.16\lib\netstandard2.0\Npgsql.dll"
     Add-Type -Path $npgsqldll
 
     $container = Start-Container -Image sqldatabase/postgres:13.3 -ContainerPort 5432
diff --git a/Build/third-party-libraries/packages/nuget.org/npgsql/4.0.11/index.json b/Build/third-party-libraries/packages/nuget.org/npgsql/4.0.16/index.json
similarity index 100%
rename from Build/third-party-libraries/packages/nuget.org/npgsql/4.0.11/index.json
rename to Build/third-party-libraries/packages/nuget.org/npgsql/4.0.16/index.json
diff --git a/Build/third-party-libraries/packages/nuget.org/npgsql/4.0.11/package.nuspec b/Build/third-party-libraries/packages/nuget.org/npgsql/4.0.16/package.nuspec
similarity index 91%
rename from Build/third-party-libraries/packages/nuget.org/npgsql/4.0.11/package.nuspec
rename to Build/third-party-libraries/packages/nuget.org/npgsql/4.0.16/package.nuspec
index a2a9cd1f..4b5b8b8f 100644
--- a/Build/third-party-libraries/packages/nuget.org/npgsql/4.0.11/package.nuspec
+++ b/Build/third-party-libraries/packages/nuget.org/npgsql/4.0.16/package.nuspec
@@ -2,17 +2,15 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2013/05/nuspec.xsd">
   <metadata>
     <id>Npgsql</id>
-    <version>4.0.11</version>
+    <version>4.0.16</version>
     <authors>Shay Rojansky,Yoh Deadfall,Austin Drenski,Emil Lenngren,Francisco Figueiredo Jr.,Kenji Uno</authors>
-    <owners>Shay Rojansky,Yoh Deadfall,Austin Drenski,Emil Lenngren,Francisco Figueiredo Jr.,Kenji Uno</owners>
-    <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <license type="expression">PostgreSQL</license>
     <licenseUrl>https://licenses.nuget.org/PostgreSQL</licenseUrl>
     <projectUrl>http://www.npgsql.org/</projectUrl>
     <description>Npgsql is the open source .NET data provider for PostgreSQL.</description>
     <copyright>Copyright 2019 © The Npgsql Development Team</copyright>
     <tags>npgsql postgresql postgres ado ado.net database sql</tags>
-    <repository type="git" url="git://github.com/npgsql/npgsql" />
+    <repository type="git" url="git://github.com/npgsql/npgsql" commit="86e9a120e7503ef9163a6e44cf51255ef8912633" />
     <dependencies>
       <group targetFramework=".NETFramework4.5">
         <dependency id="System.Memory" version="4.5.3" exclude="Build,Analyzers" />
diff --git a/Build/third-party-libraries/packages/nuget.org/npgsql/4.0.11/readme.md b/Build/third-party-libraries/packages/nuget.org/npgsql/4.0.16/readme.md
similarity index 93%
rename from Build/third-party-libraries/packages/nuget.org/npgsql/4.0.11/readme.md
rename to Build/third-party-libraries/packages/nuget.org/npgsql/4.0.16/readme.md
index e99ba1c0..f360af6d 100644
--- a/Build/third-party-libraries/packages/nuget.org/npgsql/4.0.11/readme.md
+++ b/Build/third-party-libraries/packages/nuget.org/npgsql/4.0.16/readme.md
@@ -1,4 +1,4 @@
-Npgsql [4.0.11](https://www.nuget.org/packages/Npgsql/4.0.11)
+Npgsql [4.0.16](https://www.nuget.org/packages/Npgsql/4.0.16)
 --------------------
 
 Used by: SqlDatabase
diff --git a/Build/third-party-libraries/packages/nuget.org/npgsql/4.0.11/remarks.md b/Build/third-party-libraries/packages/nuget.org/npgsql/4.0.16/remarks.md
similarity index 100%
rename from Build/third-party-libraries/packages/nuget.org/npgsql/4.0.11/remarks.md
rename to Build/third-party-libraries/packages/nuget.org/npgsql/4.0.16/remarks.md
diff --git a/Build/third-party-libraries/packages/nuget.org/npgsql/4.0.11/repository-LICENSE b/Build/third-party-libraries/packages/nuget.org/npgsql/4.0.16/repository-LICENSE
similarity index 96%
rename from Build/third-party-libraries/packages/nuget.org/npgsql/4.0.11/repository-LICENSE
rename to Build/third-party-libraries/packages/nuget.org/npgsql/4.0.16/repository-LICENSE
index efec310c..a74ee166 100644
--- a/Build/third-party-libraries/packages/nuget.org/npgsql/4.0.11/repository-LICENSE
+++ b/Build/third-party-libraries/packages/nuget.org/npgsql/4.0.16/repository-LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2002-2023, Npgsql
+Copyright (c) 2002-2024, Npgsql
 
 Permission to use, copy, modify, and distribute this software and its
 documentation for any purpose, without fee, and without a written agreement
diff --git a/Build/third-party-libraries/packages/nuget.org/npgsql/4.0.11/third-party-notices.txt b/Build/third-party-libraries/packages/nuget.org/npgsql/4.0.16/third-party-notices.txt
similarity index 100%
rename from Build/third-party-libraries/packages/nuget.org/npgsql/4.0.11/third-party-notices.txt
rename to Build/third-party-libraries/packages/nuget.org/npgsql/4.0.16/third-party-notices.txt
diff --git a/Build/third-party-libraries/readme.md b/Build/third-party-libraries/readme.md
index 8e5dc548..7ce9a144 100644
--- a/Build/third-party-libraries/readme.md
+++ b/Build/third-party-libraries/readme.md
@@ -32,7 +32,7 @@ Packages 47
 |[NETStandard.Library](packages/nuget.org/netstandard.library/2.0.3)|2.0.3|[nuget.org](https://www.nuget.org/packages/NETStandard.Library/2.0.3)|[MIT](licenses/mit)|SqlDatabase|
 |[Newtonsoft.Json](packages/nuget.org/newtonsoft.json/13.0.1)|13.0.1|[nuget.org](https://www.nuget.org/packages/Newtonsoft.Json/13.0.1)|[MIT](licenses/mit)|SqlDatabase internal|
 |[Newtonsoft.Json](packages/nuget.org/newtonsoft.json/13.0.3)|13.0.3|[nuget.org](https://www.nuget.org/packages/Newtonsoft.Json/13.0.3)|[MIT](licenses/mit)|SqlDatabase internal|
-|[Npgsql](packages/nuget.org/npgsql/4.0.11)|4.0.11|[nuget.org](https://www.nuget.org/packages/Npgsql/4.0.11)|[PostgreSQL](licenses/postgresql)|SqlDatabase|
+|[Npgsql](packages/nuget.org/npgsql/4.0.16)|4.0.16|[nuget.org](https://www.nuget.org/packages/Npgsql/4.0.16)|[PostgreSQL](licenses/postgresql)|SqlDatabase|
 |[NUnit](packages/nuget.org/nunit/4.1.0)|4.1.0|[nuget.org](https://www.nuget.org/packages/NUnit/4.1.0)|[MIT](licenses/mit)|SqlDatabase internal|
 |[NUnit3TestAdapter](packages/nuget.org/nunit3testadapter/4.5.0)|4.5.0|[nuget.org](https://www.nuget.org/packages/NUnit3TestAdapter/4.5.0)|[MIT](licenses/mit)|SqlDatabase internal|
 |[PowerShellStandard.Library](packages/nuget.org/powershellstandard.library/5.1.1)|5.1.1|[nuget.org](https://www.nuget.org/packages/PowerShellStandard.Library/5.1.1)|[MIT](licenses/mit)|SqlDatabase|
diff --git a/Sources/Directory.Packages.props b/Sources/Directory.Packages.props
index 50ca7700..a86b3f2e 100644
--- a/Sources/Directory.Packages.props
+++ b/Sources/Directory.Packages.props
@@ -6,7 +6,7 @@
 
   <ItemGroup>
     <PackageVersion Include="MySqlConnector" Version="1.3.10" />
-    <PackageVersion Include="Npgsql" Version="4.0.11" />
+    <PackageVersion Include="Npgsql" Version="4.0.16" />
 
     <PackageVersion Include="System.Data.SqlClient" Version="4.8.6" />
     <PackageVersion Include="System.Runtime.Loader" Version="4.3.0" />