diff --git a/src/Microsoft.CodeAnalysis.Razor.Workspaces/Microsoft.CodeAnalysis.Razor.Workspaces.csproj b/src/Microsoft.CodeAnalysis.Razor.Workspaces/Microsoft.CodeAnalysis.Razor.Workspaces.csproj
index 281402ee73..94d5aa631c 100644
--- a/src/Microsoft.CodeAnalysis.Razor.Workspaces/Microsoft.CodeAnalysis.Razor.Workspaces.csproj
+++ b/src/Microsoft.CodeAnalysis.Razor.Workspaces/Microsoft.CodeAnalysis.Razor.Workspaces.csproj
@@ -2,6 +2,7 @@
   <Import Project="..\..\build\common.props" />
   <PropertyGroup>
     <Description>Razor is a markup syntax for adding server-side logic to web pages. This package contains the Razor design-time infrastructure.</Description>
+    <VersionPrefix>1.0.0</VersionPrefix>
     <TargetFrameworks>net46;netstandard1.3</TargetFrameworks>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
diff --git a/src/Microsoft.CodeAnalysis.Razor/Microsoft.CodeAnalysis.Razor.csproj b/src/Microsoft.CodeAnalysis.Razor/Microsoft.CodeAnalysis.Razor.csproj
index 4cc61a6044..a5b4c1c33d 100644
--- a/src/Microsoft.CodeAnalysis.Razor/Microsoft.CodeAnalysis.Razor.csproj
+++ b/src/Microsoft.CodeAnalysis.Razor/Microsoft.CodeAnalysis.Razor.csproj
@@ -2,6 +2,7 @@
   <Import Project="..\..\build\common.props" />
   <PropertyGroup>
     <Description>Razor is a markup syntax for adding server-side logic to web pages. This package contains the Razor design-time infrastructure.</Description>
+    <VersionPrefix>1.0.0</VersionPrefix>
     <TargetFrameworks>net451;net46;netstandard1.3</TargetFrameworks>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
diff --git a/src/Microsoft.CodeAnalysis.Remote.Razor/Microsoft.CodeAnalysis.Remote.Razor.csproj b/src/Microsoft.CodeAnalysis.Remote.Razor/Microsoft.CodeAnalysis.Remote.Razor.csproj
index eac539c84e..5a320ad6c9 100644
--- a/src/Microsoft.CodeAnalysis.Remote.Razor/Microsoft.CodeAnalysis.Remote.Razor.csproj
+++ b/src/Microsoft.CodeAnalysis.Remote.Razor/Microsoft.CodeAnalysis.Remote.Razor.csproj
@@ -2,6 +2,7 @@
   <Import Project="..\..\build\common.props" />
   <PropertyGroup>
     <Description>Razor is a markup syntax for adding server-side logic to web pages. This package contains the Razor design-time infrastructure.</Description>
+    <VersionPrefix>1.0.0</VersionPrefix>
     <TargetFrameworks>net46</TargetFrameworks>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
diff --git a/src/Microsoft.VisualStudio.LanguageServices.Razor/Microsoft.VisualStudio.LanguageServices.Razor.csproj b/src/Microsoft.VisualStudio.LanguageServices.Razor/Microsoft.VisualStudio.LanguageServices.Razor.csproj
index c3114c43a3..39415fcb8a 100644
--- a/src/Microsoft.VisualStudio.LanguageServices.Razor/Microsoft.VisualStudio.LanguageServices.Razor.csproj
+++ b/src/Microsoft.VisualStudio.LanguageServices.Razor/Microsoft.VisualStudio.LanguageServices.Razor.csproj
@@ -4,6 +4,7 @@
 
   <PropertyGroup>
     <TargetFrameworks>net46</TargetFrameworks>
+    <VersionPrefix>1.0.0</VersionPrefix>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTargetFallback>$(PackageTargetFallback);portable-net45+win8+wp8+wpa81;</PackageTargetFallback>
diff --git a/tooling/Microsoft.VisualStudio.RazorExtension/Properties/BindingRedirectAttributes.cs b/tooling/Microsoft.VisualStudio.RazorExtension/Properties/BindingRedirectAttributes.cs
index 17eabc574f..f31ab34f6d 100644
--- a/tooling/Microsoft.VisualStudio.RazorExtension/Properties/BindingRedirectAttributes.cs
+++ b/tooling/Microsoft.VisualStudio.RazorExtension/Properties/BindingRedirectAttributes.cs
@@ -16,29 +16,29 @@ using Microsoft.VisualStudio.Shell;
     GenerateCodeBase = true,
     PublicKeyToken = "adb9793829ddae60",
     OldVersionLowerBound = "0.0.0.0",
-    OldVersionUpperBound = "1.2.0.0",
-    NewVersion = "1.2.0.0")]
+    OldVersionUpperBound = "1.0.0.0",
+    NewVersion = "1.0.0.0")]
 
 [assembly: ProvideBindingRedirection(
     AssemblyName = "Microsoft.CodeAnalysis.Razor.Workspaces",
     GenerateCodeBase = true,
     PublicKeyToken = "adb9793829ddae60",
     OldVersionLowerBound = "0.0.0.0",
-    OldVersionUpperBound = "1.2.0.0",
-    NewVersion = "1.2.0.0")]
+    OldVersionUpperBound = "1.0.0.0",
+    NewVersion = "1.0.0.0")]
 
 [assembly: ProvideBindingRedirection(
     AssemblyName = "Microsoft.CodeAnalysis.Remote.Razor",
     GenerateCodeBase = true,
     PublicKeyToken = "adb9793829ddae60",
     OldVersionLowerBound = "0.0.0.0",
-    OldVersionUpperBound = "1.2.0.0",
-    NewVersion = "1.2.0.0")]
+    OldVersionUpperBound = "1.0.0.0",
+    NewVersion = "1.0.0.0")]
 
 [assembly: ProvideBindingRedirection(
     AssemblyName = "Microsoft.VisualStudio.LanguageServices.Razor",
     GenerateCodeBase = true,
     PublicKeyToken = "adb9793829ddae60",
     OldVersionLowerBound = "0.0.0.0",
-    OldVersionUpperBound = "1.2.0.0",
-    NewVersion = "1.2.0.0")]
\ No newline at end of file
+    OldVersionUpperBound = "1.0.0.0",
+    NewVersion = "1.0.0.0")]
\ No newline at end of file