diff --git a/PrintServiceLibrary.csproj b/PrintServiceLibrary.csproj
index 919546a..d995707 100644
--- a/PrintServiceLibrary.csproj
+++ b/PrintServiceLibrary.csproj
@@ -55,8 +55,9 @@
     <Reference Include="Newtonsoft.Json, Version=9.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
       <HintPath>packages\Newtonsoft.Json.13.0.3\lib\net45\Newtonsoft.Json.dll</HintPath>
     </Reference>
-    <Reference Include="Npgsql, Version=3.2.2.0, Culture=neutral, PublicKeyToken=5d8b90d52f46fda7, processorArchitecture=MSIL">
-      <HintPath>packages\Npgsql.3.2.2\lib\net451\Npgsql.dll</HintPath>
+    <Reference Include="Npgsql, Version=4.0.14.0, Culture=neutral, PublicKeyToken=5d8b90d52f46fda7">
+      <HintPath>packages\Npgsql.4.0.14\lib\net451\Npgsql.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="Oracle.ManagedDataAccess, Version=4.122.18.3, Culture=neutral, PublicKeyToken=89b483f429c47342, processorArchitecture=MSIL">
       <HintPath>packages\Oracle.ManagedDataAccess.18.3.0\lib\net40\Oracle.ManagedDataAccess.dll</HintPath>
@@ -68,18 +69,39 @@
       <HintPath>packages\SkiaSharp.HarfBuzz.1.60.0\lib\netstandard1.3\SkiaSharp.HarfBuzz.dll</HintPath>
     </Reference>
     <Reference Include="System" />
+    <Reference Include="System.Buffers, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51">
+      <HintPath>packages\System.Buffers.4.5.1\lib\net461\System.Buffers.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="System.Core" />
+    <Reference Include="System.Memory, Version=4.0.1.2, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51">
+      <HintPath>packages\System.Memory.4.5.5\lib\net461\System.Memory.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Numerics.Vectors, Version=4.1.4.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <HintPath>packages\System.Numerics.Vectors.4.5.0\lib\net46\System.Numerics.Vectors.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="System.Printing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
       <HintPath>Print\System.Printing.dll</HintPath>
       <Private>True</Private>
     </Reference>
+    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+      <HintPath>packages\System.Runtime.CompilerServices.Unsafe.6.0.0\lib\net461\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="System.Runtime.Serialization" />
     <Reference Include="System.Text.Encoding.CodePages, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <HintPath>packages\System.Text.Encoding.CodePages.4.4.0\lib\net461\System.Text.Encoding.CodePages.dll</HintPath>
     </Reference>
-    <Reference Include="System.Threading.Tasks.Extensions, Version=4.1.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
-      <HintPath>packages\System.Threading.Tasks.Extensions.4.3.0\lib\portable-net45+win8+wp8+wpa81\System.Threading.Tasks.Extensions.dll</HintPath>
+    <Reference Include="System.Threading.Tasks.Extensions, Version=4.2.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51">
+      <HintPath>packages\System.Threading.Tasks.Extensions.4.5.4\lib\net461\System.Threading.Tasks.Extensions.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.ValueTuple, Version=4.0.3.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51">
+      <HintPath>packages\System.ValueTuple.4.5.0\lib\net47\System.ValueTuple.dll</HintPath>
+      <Private>True</Private>
     </Reference>
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
diff --git a/packages.config b/packages.config
index 87c0a96..acf86ab 100644
--- a/packages.config
+++ b/packages.config
@@ -6,11 +6,16 @@
   <package id="Neodynamic.SDK.ThermalLabel" version="8.0.18.607" targetFramework="net471" />
   <package id="Neodynamic.SDK.ThermalLabel.WindowsPrinting" version="8.0.18.427" targetFramework="net471" />
   <package id="Newtonsoft.Json" version="13.0.3" targetFramework="net471" />
-  <package id="Npgsql" version="3.2.2" targetFramework="net471" />
+  <package id="Npgsql" version="4.0.14" targetFramework="net471" />
   <package id="Oracle.ManagedDataAccess" version="18.3.0" targetFramework="net471" />
   <package id="SkiaSharp" version="1.60.1" targetFramework="net471" />
   <package id="SkiaSharp.HarfBuzz" version="1.60.0" targetFramework="net471" />
+  <package id="System.Buffers" version="4.5.1" targetFramework="net471" />
+  <package id="System.Memory" version="4.5.5" targetFramework="net471" />
+  <package id="System.Numerics.Vectors" version="4.5.0" targetFramework="net471" />
+  <package id="System.Runtime.CompilerServices.Unsafe" version="6.0.0" targetFramework="net471" />
   <package id="System.Text.Encoding.CodePages" version="4.4.0" targetFramework="net471" />
-  <package id="System.Threading.Tasks.Extensions" version="4.3.0" targetFramework="net471" />
+  <package id="System.Threading.Tasks.Extensions" version="4.5.4" targetFramework="net471" />
+  <package id="System.ValueTuple" version="4.5.0" targetFramework="net471" />
   <package id="WinUSBNet" version="1.0.3" targetFramework="net471" />
 </packages>
\ No newline at end of file