diff --git a/OfficeToPDF/Converter.cs b/OfficeToPDF/Converter.cs
index 743805a..c82e94e 100644
--- a/OfficeToPDF/Converter.cs
+++ b/OfficeToPDF/Converter.cs
@@ -342,14 +342,14 @@ private static bool IsCDFReadOnlyEnforced(string filename)
                     OpenMcdf.Extensions.OLEProperties.PropertySetStream ps = null;
                     try
                     {
-                        ps = summaryInfo.AsOLEProperties();
+                        ps = summaryInfo.AsOleProperties();
                     }
                     catch (Exception)
                     {
                         // There may be no properties for us to get
                         return false;
                     }
-                    int securityIdx = ps.PropertySet0.PropertyIdentifierAndOffsets.FindIndex(x => x.PropertyIdentifier == OpenMcdf.Extensions.OLEProperties.PropertyIdentifiersSummaryInfo.PIDSI_DOC_SECURITY);
+                    int securityIdx = ps.PropertySet0.PropertyIdentifierAndOffsets.FindIndex(x => x.PropertyIdentifier == OpenMcdf.Extensions.OLEProperties.PropertyIdentifiersSummaryInfo.PidsiDocSecurity);
                     if (securityIdx >= 0 && securityIdx < ps.PropertySet0.Properties.Count)
                     {
                         int security = (int)ps.PropertySet0.Properties[securityIdx].PropertyValue;
diff --git a/OfficeToPDF/OfficeToPDF.csproj b/OfficeToPDF/OfficeToPDF.csproj
index 294e65c..11975dc 100644
--- a/OfficeToPDF/OfficeToPDF.csproj
+++ b/OfficeToPDF/OfficeToPDF.csproj
@@ -105,8 +105,8 @@
     <Reference Include="Costura, Version=3.3.3.0, Culture=neutral, PublicKeyToken=9919ef960d84173d, processorArchitecture=MSIL">
       <HintPath>..\packages\Costura.Fody.3.3.3\lib\net40\Costura.dll</HintPath>
     </Reference>
-    <Reference Include="DocumentFormat.OpenXml, Version=2.9.1.0, Culture=neutral, PublicKeyToken=8fb06cb64d019a17, processorArchitecture=MSIL">
-      <HintPath>..\packages\DocumentFormat.OpenXml.2.9.1\lib\net40\DocumentFormat.OpenXml.dll</HintPath>
+    <Reference Include="DocumentFormat.OpenXml, Version=2.10.0.0, Culture=neutral, PublicKeyToken=8fb06cb64d019a17, processorArchitecture=MSIL">
+      <HintPath>..\packages\DocumentFormat.OpenXml.2.10.0\lib\net40\DocumentFormat.OpenXml.dll</HintPath>
     </Reference>
     <Reference Include="Ghostscript.NET, Version=1.2.1.0, Culture=neutral, PublicKeyToken=f85051de34525b59, processorArchitecture=MSIL">
       <HintPath>..\packages\Ghostscript.NET.1.2.1\lib\net40\Ghostscript.NET.dll</HintPath>
@@ -149,14 +149,14 @@
       <EmbedInteropTypes>True</EmbedInteropTypes>
       <HintPath>..\..\..\..\..\..\..\Program Files\Microsoft Visual Studio 9.0\Visual Studio Tools for Office\PIA\Office14\OFFICE.DLL</HintPath>
     </Reference>
-    <Reference Include="OpenMcdf, Version=2.1.1.5, Culture=neutral, processorArchitecture=MSIL">
-      <HintPath>..\packages\OpenMcdf-2.2.1.1.5\lib\net40\OpenMcdf.dll</HintPath>
+    <Reference Include="OpenMcdf, Version=2.1.2.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\packages\OpenMcdf-2.2.1.2\lib\net40\OpenMcdf.dll</HintPath>
     </Reference>
-    <Reference Include="PdfSharp-WPF, Version=1.31.5198.0, Culture=neutral, PublicKeyToken=f94615aa0424f9eb, processorArchitecture=MSIL">
-      <HintPath>..\packages\kenjiuno.PdfSharp-WPF.1.31.5198\lib\net40\PdfSharp-WPF.dll</HintPath>
+    <Reference Include="PdfSharp-WPF, Version=1.31.5377.0, Culture=neutral, PublicKeyToken=f94615aa0424f9eb, processorArchitecture=MSIL">
+      <HintPath>..\packages\kenjiuno.PdfSharp-WPF.1.31.5377\lib\net40\PdfSharp-WPF.dll</HintPath>
     </Reference>
-    <Reference Include="PdfSharp.Xps, Version=1.1.1.0, Culture=neutral, PublicKeyToken=f94615aa0424f9eb, processorArchitecture=MSIL">
-      <HintPath>..\packages\kenjiuno.PdfSharp.Xps.1.1.1\lib\net40\PdfSharp.Xps.dll</HintPath>
+    <Reference Include="PdfSharp.Xps, Version=1.1.4.0, Culture=neutral, PublicKeyToken=f94615aa0424f9eb, processorArchitecture=MSIL">
+      <HintPath>..\packages\kenjiuno.PdfSharp.Xps.1.1.4\lib\net40\PdfSharp.Xps.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -235,7 +235,9 @@
   </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />
-    <None Include="packages.config" />
+    <None Include="packages.config">
+      <SubType>Designer</SubType>
+    </None>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
diff --git a/OfficeToPDF/packages.config b/OfficeToPDF/packages.config
index fc00c29..507cf0d 100644
--- a/OfficeToPDF/packages.config
+++ b/OfficeToPDF/packages.config
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Costura.Fody" version="3.3.3" targetFramework="net40" />
-  <package id="DocumentFormat.OpenXml" version="2.9.1" targetFramework="net40" />
+  <package id="DocumentFormat.OpenXml" version="2.10.0" targetFramework="net40" />
   <package id="Fody" version="4.2.1" targetFramework="net40" developmentDependency="true" />
   <package id="Ghostscript.NET" version="1.2.1" targetFramework="net40" />
-  <package id="kenjiuno.PdfSharp.Xps" version="1.1.1" targetFramework="net40" />
-  <package id="kenjiuno.PdfSharp-WPF" version="1.31.5198" targetFramework="net40" />
-  <package id="OpenMcdf-2" version="2.1.1.5" targetFramework="net40" />
+  <package id="kenjiuno.PdfSharp.Xps" version="1.1.4" targetFramework="net40" />
+  <package id="kenjiuno.PdfSharp-WPF" version="1.31.5377" targetFramework="net40" />
+  <package id="OpenMcdf-2" version="2.1.2" targetFramework="net40" />
 </packages>
\ No newline at end of file