diff --git a/FlashLFQ Executable/FlashLFQ Executable.csproj b/FlashLFQ Executable/FlashLFQ Executable.csproj
index 80df6ca..fe2ceb4 100644
--- a/FlashLFQ Executable/FlashLFQ Executable.csproj	
+++ b/FlashLFQ Executable/FlashLFQ Executable.csproj	
@@ -53,32 +53,32 @@
     <StartupObject>FlashLFQExecutable.FlashLFQExecutable</StartupObject>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Chemistry, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\Chemistry.dll</HintPath>
+    <Reference Include="Chemistry, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\Chemistry.dll</HintPath>
     </Reference>
-    <Reference Include="ManagedThermoHelperLayer, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\ManagedThermoHelperLayer.dll</HintPath>
+    <Reference Include="ManagedThermoHelperLayer, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\ManagedThermoHelperLayer.dll</HintPath>
     </Reference>
-    <Reference Include="MassSpectrometry, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\MassSpectrometry.dll</HintPath>
+    <Reference Include="MassSpectrometry, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\MassSpectrometry.dll</HintPath>
     </Reference>
-    <Reference Include="MathNet.Numerics, Version=3.17.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\MathNet.Numerics.3.17.0\lib\net40\MathNet.Numerics.dll</HintPath>
+    <Reference Include="MathNet.Numerics, Version=3.20.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\MathNet.Numerics.3.20.0\lib\net40\MathNet.Numerics.dll</HintPath>
     </Reference>
-    <Reference Include="mzIdentML, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\mzIdentML.dll</HintPath>
+    <Reference Include="mzIdentML, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\mzIdentML.dll</HintPath>
     </Reference>
-    <Reference Include="MzLibUtil, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\MzLibUtil.dll</HintPath>
+    <Reference Include="MzLibUtil, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\MzLibUtil.dll</HintPath>
     </Reference>
-    <Reference Include="MzML, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\MzML.dll</HintPath>
+    <Reference Include="MzML, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\MzML.dll</HintPath>
     </Reference>
-    <Reference Include="Proteomics, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\Proteomics.dll</HintPath>
+    <Reference Include="Proteomics, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\Proteomics.dll</HintPath>
     </Reference>
-    <Reference Include="Spectra, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\Spectra.dll</HintPath>
+    <Reference Include="Spectra, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\Spectra.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -88,11 +88,11 @@
     <Reference Include="System.Data" />
     <Reference Include="System.Net.Http" />
     <Reference Include="System.Xml" />
-    <Reference Include="Thermo, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\Thermo.dll</HintPath>
+    <Reference Include="Thermo, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\Thermo.dll</HintPath>
     </Reference>
-    <Reference Include="UsefulProteomicsDatabases, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\UsefulProteomicsDatabases.dll</HintPath>
+    <Reference Include="UsefulProteomicsDatabases, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\UsefulProteomicsDatabases.dll</HintPath>
     </Reference>
     <Reference Include="Zlib.Portable, Version=1.11.0.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\Zlib.Portable.1.11.0\lib\portable-net4+sl5+wp8+win8+wpa81+MonoTouch+MonoAndroid\Zlib.Portable.dll</HintPath>
@@ -120,11 +120,11 @@
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <Import Project="..\packages\mzLib.1.0.194\build\mzLib.targets" Condition="Exists('..\packages\mzLib.1.0.194\build\mzLib.targets')" />
+  <Import Project="..\packages\mzLib.1.0.195\build\mzLib.targets" Condition="Exists('..\packages\mzLib.1.0.195\build\mzLib.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\mzLib.1.0.194\build\mzLib.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\mzLib.1.0.194\build\mzLib.targets'))" />
+    <Error Condition="!Exists('..\packages\mzLib.1.0.195\build\mzLib.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\mzLib.1.0.195\build\mzLib.targets'))" />
   </Target>
 </Project>
\ No newline at end of file
diff --git a/FlashLFQ Executable/packages.config b/FlashLFQ Executable/packages.config
index 4b4c299..4c3428c 100644
--- a/FlashLFQ Executable/packages.config	
+++ b/FlashLFQ Executable/packages.config	
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="MathNet.Numerics" version="3.17.0" targetFramework="net451" />
-  <package id="mzLib" version="1.0.194" targetFramework="net451" />
+  <package id="MathNet.Numerics" version="3.20.0" targetFramework="net451" />
+  <package id="mzLib" version="1.0.195" targetFramework="net451" />
   <package id="Zlib.Portable" version="1.11.0" targetFramework="net451" />
 </packages>
\ No newline at end of file
diff --git a/FlashLFQ/FlashLFQ.csproj b/FlashLFQ/FlashLFQ.csproj
index 694c8aa..85f6d9b 100644
--- a/FlashLFQ/FlashLFQ.csproj
+++ b/FlashLFQ/FlashLFQ.csproj
@@ -54,32 +54,32 @@
     </StartupObject>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Chemistry, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\Chemistry.dll</HintPath>
+    <Reference Include="Chemistry, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\Chemistry.dll</HintPath>
     </Reference>
-    <Reference Include="ManagedThermoHelperLayer, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\ManagedThermoHelperLayer.dll</HintPath>
+    <Reference Include="ManagedThermoHelperLayer, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\ManagedThermoHelperLayer.dll</HintPath>
     </Reference>
-    <Reference Include="MassSpectrometry, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\MassSpectrometry.dll</HintPath>
+    <Reference Include="MassSpectrometry, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\MassSpectrometry.dll</HintPath>
     </Reference>
-    <Reference Include="MathNet.Numerics, Version=3.17.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\MathNet.Numerics.3.17.0\lib\net40\MathNet.Numerics.dll</HintPath>
+    <Reference Include="MathNet.Numerics, Version=3.20.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\MathNet.Numerics.3.20.0\lib\net40\MathNet.Numerics.dll</HintPath>
     </Reference>
-    <Reference Include="mzIdentML, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\mzIdentML.dll</HintPath>
+    <Reference Include="mzIdentML, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\mzIdentML.dll</HintPath>
     </Reference>
-    <Reference Include="MzLibUtil, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\MzLibUtil.dll</HintPath>
+    <Reference Include="MzLibUtil, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\MzLibUtil.dll</HintPath>
     </Reference>
-    <Reference Include="MzML, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\MzML.dll</HintPath>
+    <Reference Include="MzML, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\MzML.dll</HintPath>
     </Reference>
-    <Reference Include="Proteomics, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\Proteomics.dll</HintPath>
+    <Reference Include="Proteomics, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\Proteomics.dll</HintPath>
     </Reference>
-    <Reference Include="Spectra, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\Spectra.dll</HintPath>
+    <Reference Include="Spectra, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\Spectra.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -89,11 +89,11 @@
     <Reference Include="System.Data" />
     <Reference Include="System.Net.Http" />
     <Reference Include="System.Xml" />
-    <Reference Include="Thermo, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\Thermo.dll</HintPath>
+    <Reference Include="Thermo, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\Thermo.dll</HintPath>
     </Reference>
-    <Reference Include="UsefulProteomicsDatabases, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\UsefulProteomicsDatabases.dll</HintPath>
+    <Reference Include="UsefulProteomicsDatabases, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\UsefulProteomicsDatabases.dll</HintPath>
     </Reference>
     <Reference Include="Zlib.Portable, Version=1.11.0.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\Zlib.Portable.1.11.0\lib\portable-net4+sl5+wp8+win8+wpa81+MonoTouch+MonoAndroid\Zlib.Portable.dll</HintPath>
@@ -124,11 +124,11 @@
     </BootstrapperPackage>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <Import Project="..\packages\mzLib.1.0.194\build\mzLib.targets" Condition="Exists('..\packages\mzLib.1.0.194\build\mzLib.targets')" />
+  <Import Project="..\packages\mzLib.1.0.195\build\mzLib.targets" Condition="Exists('..\packages\mzLib.1.0.195\build\mzLib.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\mzLib.1.0.194\build\mzLib.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\mzLib.1.0.194\build\mzLib.targets'))" />
+    <Error Condition="!Exists('..\packages\mzLib.1.0.195\build\mzLib.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\mzLib.1.0.195\build\mzLib.targets'))" />
   </Target>
 </Project>
\ No newline at end of file
diff --git a/FlashLFQ/FlashLfqEngine.cs b/FlashLFQ/FlashLfqEngine.cs
index 57d2ab5..d57dd13 100644
--- a/FlashLFQ/FlashLfqEngine.cs
+++ b/FlashLFQ/FlashLfqEngine.cs
@@ -961,8 +961,8 @@ private List<KeyValuePair<int, double>> FillBinsWithPeaks(Dictionary<double, Lis
                         for(int j = 0; j < allMs1Scans[i].MassSpectrum.XArray.Length; j++)
                         {
                             FlashLFQMzBinElement element = null;
-                            double floorMz = (Math.Floor(allMs1Scans[i].MassSpectrum[j].Mz * 100) / 100);
-                            double ceilingMz = (Math.Ceiling(allMs1Scans[i].MassSpectrum[j].Mz * 100) / 100);
+                            double floorMz = (Math.Floor(allMs1Scans[i].MassSpectrum.XArray[j] * 100) / 100);
+                            double ceilingMz = (Math.Ceiling(allMs1Scans[i].MassSpectrum.XArray[j] * 100) / 100);
 
                             if (mzBins.ContainsKey(floorMz))
                             {
diff --git a/FlashLFQ/packages.config b/FlashLFQ/packages.config
index d8fa37c..212fcce 100644
--- a/FlashLFQ/packages.config
+++ b/FlashLFQ/packages.config
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="MathNet.Numerics" version="3.17.0" targetFramework="net452" />
-  <package id="mzLib" version="1.0.194" targetFramework="net451" />
+  <package id="MathNet.Numerics" version="3.20.0" targetFramework="net451" />
+  <package id="mzLib" version="1.0.195" targetFramework="net451" />
   <package id="Zlib.Portable" version="1.11.0" targetFramework="net452" />
 </packages>
\ No newline at end of file
diff --git a/Test/Test.csproj b/Test/Test.csproj
index 185bec7..f425a9d 100644
--- a/Test/Test.csproj
+++ b/Test/Test.csproj
@@ -53,35 +53,35 @@
     <StartupObject />
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Chemistry, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\Chemistry.dll</HintPath>
+    <Reference Include="Chemistry, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\Chemistry.dll</HintPath>
     </Reference>
-    <Reference Include="ManagedThermoHelperLayer, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\ManagedThermoHelperLayer.dll</HintPath>
+    <Reference Include="ManagedThermoHelperLayer, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\ManagedThermoHelperLayer.dll</HintPath>
     </Reference>
-    <Reference Include="MassSpectrometry, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\MassSpectrometry.dll</HintPath>
+    <Reference Include="MassSpectrometry, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\MassSpectrometry.dll</HintPath>
     </Reference>
-    <Reference Include="MathNet.Numerics, Version=3.17.0.0, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\MathNet.Numerics.3.17.0\lib\net40\MathNet.Numerics.dll</HintPath>
+    <Reference Include="MathNet.Numerics, Version=3.20.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\MathNet.Numerics.3.20.0\lib\net40\MathNet.Numerics.dll</HintPath>
     </Reference>
-    <Reference Include="mzIdentML, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\mzIdentML.dll</HintPath>
+    <Reference Include="mzIdentML, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\mzIdentML.dll</HintPath>
     </Reference>
-    <Reference Include="MzLibUtil, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\MzLibUtil.dll</HintPath>
+    <Reference Include="MzLibUtil, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\MzLibUtil.dll</HintPath>
     </Reference>
-    <Reference Include="MzML, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\MzML.dll</HintPath>
+    <Reference Include="MzML, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\MzML.dll</HintPath>
     </Reference>
     <Reference Include="nunit.framework, Version=3.7.1.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
       <HintPath>..\packages\NUnit.3.7.1\lib\net45\nunit.framework.dll</HintPath>
     </Reference>
-    <Reference Include="Proteomics, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\Proteomics.dll</HintPath>
+    <Reference Include="Proteomics, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\Proteomics.dll</HintPath>
     </Reference>
-    <Reference Include="Spectra, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\Spectra.dll</HintPath>
+    <Reference Include="Spectra, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\Spectra.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -91,11 +91,11 @@
     <Reference Include="System.Data" />
     <Reference Include="System.Net.Http" />
     <Reference Include="System.Xml" />
-    <Reference Include="Thermo, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\Thermo.dll</HintPath>
+    <Reference Include="Thermo, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\Thermo.dll</HintPath>
     </Reference>
-    <Reference Include="UsefulProteomicsDatabases, Version=1.0.194.0, Culture=neutral, processorArchitecture=AMD64">
-      <HintPath>..\packages\mzLib.1.0.194\lib\UsefulProteomicsDatabases.dll</HintPath>
+    <Reference Include="UsefulProteomicsDatabases, Version=1.0.195.0, Culture=neutral, processorArchitecture=AMD64">
+      <HintPath>..\packages\mzLib.1.0.195\lib\UsefulProteomicsDatabases.dll</HintPath>
     </Reference>
     <Reference Include="Zlib.Portable, Version=1.11.0.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\Zlib.Portable.1.11.0\lib\portable-net4+sl5+wp8+win8+wpa81+MonoTouch+MonoAndroid\Zlib.Portable.dll</HintPath>
@@ -145,11 +145,11 @@
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <Import Project="..\packages\mzLib.1.0.194\build\mzLib.targets" Condition="Exists('..\packages\mzLib.1.0.194\build\mzLib.targets')" />
+  <Import Project="..\packages\mzLib.1.0.195\build\mzLib.targets" Condition="Exists('..\packages\mzLib.1.0.195\build\mzLib.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\mzLib.1.0.194\build\mzLib.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\mzLib.1.0.194\build\mzLib.targets'))" />
+    <Error Condition="!Exists('..\packages\mzLib.1.0.195\build\mzLib.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\mzLib.1.0.195\build\mzLib.targets'))" />
   </Target>
 </Project>
\ No newline at end of file
diff --git a/Test/packages.config b/Test/packages.config
index 7e0ebe9..0aff1fe 100644
--- a/Test/packages.config
+++ b/Test/packages.config
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="MathNet.Numerics" version="3.17.0" targetFramework="net452" />
-  <package id="mzLib" version="1.0.194" targetFramework="net452" />
+  <package id="MathNet.Numerics" version="3.20.0" targetFramework="net451" />
+  <package id="mzLib" version="1.0.195" targetFramework="net451" />
   <package id="NUnit" version="3.7.1" targetFramework="net452" />
   <package id="NUnit3TestAdapter" version="3.7.0" targetFramework="net452" />
   <package id="Zlib.Portable" version="1.11.0" targetFramework="net452" />