diff --git a/src/Compilers/Extension/CompilerExtension.csproj b/src/Compilers/Extension/CompilerExtension.csproj
index 638e6a2bda302d93e561f180f769b04487bb52d1..829f341b5066db6f2d1e18ee2886195f7e95728a 100644
--- a/src/Compilers/Extension/CompilerExtension.csproj
+++ b/src/Compilers/Extension/CompilerExtension.csproj
@@ -12,7 +12,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Roslyn.Compilers.Extension</RootNamespace>
     <AssemblyName>Roslyn.Compilers.Extension</AssemblyName>
-    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6</TargetFrameworkVersion>
     <ImportVSSDKTargets>True</ImportVSSDKTargets>
     <GeneratePkgDefFile>true</GeneratePkgDefFile>
     <UseCodebase>true</UseCodebase>
diff --git a/src/Compilers/Extension/project.json b/src/Compilers/Extension/project.json
index 5882235143f841d9badea2c862e46875f399aee3..b6fbdc70442b0d75c5cb27167e4a78c439dd5c3a 100644
--- a/src/Compilers/Extension/project.json
+++ b/src/Compilers/Extension/project.json
@@ -2,10 +2,10 @@
   "dependencies": {
   },
   "frameworks": {
-    "net452": { }
+    "net46": { }
   },
   "runtimes": {
     "win7": { },
     "win7-anycpu": { }
   }
-}
\ No newline at end of file
+}
diff --git a/src/Compilers/Extension/project.lock.json b/src/Compilers/Extension/project.lock.json
index 86fb3e380d32e0152592c23d074633fe56fe0e70..320e07ab8c8eb40492f6f1fc932d442a859f0582 100644
--- a/src/Compilers/Extension/project.lock.json
+++ b/src/Compilers/Extension/project.lock.json
@@ -2,7 +2,7 @@
   "locked": false,
   "version": 1,
   "targets": {
-    ".NETFramework,Version=v4.5.2": {
+    ".NETFramework,Version=v4.6": {
       "Microsoft.DiaSymReader.Native/1.3.3": {
         "runtimeTargets": {
           "runtimes/win-x64/native/Microsoft.DiaSymReader.Native.amd64.dll": {
@@ -125,7 +125,7 @@
         }
       }
     },
-    ".NETFramework,Version=v4.5.2/win7": {
+    ".NETFramework,Version=v4.6/win7": {
       "Microsoft.DiaSymReader.Native/1.3.3": {},
       "System.Collections/4.0.0": {
         "compile": {
@@ -221,7 +221,7 @@
         }
       }
     },
-    ".NETFramework,Version=v4.5.2/win7-anycpu": {
+    ".NETFramework,Version=v4.6/win7-anycpu": {
       "Microsoft.DiaSymReader.Native/1.3.3": {},
       "System.Collections/4.0.0": {
         "compile": {
@@ -708,6 +708,6 @@
   },
   "projectFileDependencyGroups": {
     "": [],
-    ".NETFramework,Version=v4.5.2": []
+    ".NETFramework,Version=v4.6": []
   }
 }
\ No newline at end of file