diff --git a/scripts/bootstrap.sh b/scripts/bootstrap.sh
index f88f7e401..bc7684842 100755
--- a/scripts/bootstrap.sh
+++ b/scripts/bootstrap.sh
@@ -85,6 +85,9 @@ dotnet publish --framework "$TFM" --runtime $RID --output "$STAGE2_DIR" --config
 dotnet publish --framework "$TFM" --runtime $RID --output "$STAGE2_DIR" --configuration "$CONFIGURATION" "$REPOROOT/src/Microsoft.DotNet.Tools.Resgen"
 dotnet publish --framework "$TFM" --runtime $RID --output "$STAGE2_DIR" --configuration "$CONFIGURATION" "$REPOROOT/src/Microsoft.DotNet.Tools.Run"
 
+echo "Crossgenning Roslyn compiler ..."
+$REPOROOT/scripts/crossgen/crossgen_roslyn.sh "$STAGE2_DIR"
+
 # Deploy CLR host to the output
 cp "$HOST_DIR/corehost" "$STAGE2_DIR"
 
diff --git a/scripts/crossgen/crossgen_roslyn.sh b/scripts/crossgen/crossgen_roslyn.sh
new file mode 100755
index 000000000..502cce775
--- /dev/null
+++ b/scripts/crossgen/crossgen_roslyn.sh
@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+
+set -e
+
+BIN_DIR="$( cd $1 && pwd )"
+
+UNAME=`uname`
+
+if [ -z "$RID" ]; then
+    if [ "$UNAME" == "Darwin" ]; then
+        RID=osx.10.10-x64
+    elif [ "$UNAME" == "Linux" ]; then
+        RID=ubuntu.14.04-x64
+    else
+        echo "Unknown OS: $UNAME" 1>&2
+        exit 1
+    fi
+fi
+
+# Replace with a robust method for finding the right crossgen.exe
+CROSSGEN_UTIL=~/.dnx/packages/runtime.$RID.Microsoft.NETCore.Runtime.CoreCLR/1.0.1-beta-23502/tools/crossgen
+
+pushd $BIN_DIR
+
+# Crossgen currently requires itself to be next to mscorlib
+cp $CROSSGEN_UTIL $BIN_DIR
+chmod +x crossgen
+
+./crossgen -nologo -platform_assemblies_paths $BIN_DIR mscorlib.dll 
+
+./crossgen -nologo -platform_assemblies_paths $BIN_DIR System.Collections.Immutable.dll 
+
+./crossgen -nologo -platform_assemblies_paths $BIN_DIR System.Reflection.Metadata.dll 
+
+./crossgen -nologo -platform_assemblies_paths $BIN_DIR Microsoft.CodeAnalysis.dll 
+
+./crossgen -nologo -platform_assemblies_paths $BIN_DIR Microsoft.CodeAnalysis.CSharp.dll 
+
+./crossgen -nologo -platform_assemblies_paths $BIN_DIR Microsoft.CodeAnalysis.VisualBasic.dll 
+
+./crossgen -nologo -platform_assemblies_paths $BIN_DIR csc.exe 
+
+./crossgen -nologo -platform_assemblies_paths $BIN_DIR vbc.exe 
+
diff --git a/src/Microsoft.DotNet.Cli.Utils/project.json b/src/Microsoft.DotNet.Cli.Utils/project.json
index 9ccfb7849..d602a53e3 100644
--- a/src/Microsoft.DotNet.Cli.Utils/project.json
+++ b/src/Microsoft.DotNet.Cli.Utils/project.json
@@ -9,8 +9,8 @@
         "System.Diagnostics.Process": "4.1.0-beta-23428",
         "System.Runtime.InteropServices.RuntimeInformation": "4.0.0-beta-23428",
 
-        "Microsoft.NETCore.ConsoleHost": "1.0.0-beta-23428",
-        "Microsoft.NETCore.TestHost": "1.0.0-beta-23428"
+        "Microsoft.NETCore.ConsoleHost": "1.0.0-beta-23502",
+        "Microsoft.NETCore.TestHost": "1.0.0-beta-23502"
     },
     "frameworks": {
         "dnxcore50": { }
diff --git a/src/Microsoft.DotNet.Cli/project.json b/src/Microsoft.DotNet.Cli/project.json
index 4c0b913a4..d51af5914 100644
--- a/src/Microsoft.DotNet.Cli/project.json
+++ b/src/Microsoft.DotNet.Cli/project.json
@@ -1,26 +1,26 @@
 {
-  "name": "dotnet",
-  "version": "1.0.0-*",
-  "compilationOptions": {
-    "emitEntryPoint": true
-  },
-  "dependencies": {
-    "Microsoft.NETCore.Runtime": "1.0.1-beta-23428",
-
-    "System.Console": "4.0.0-beta-23428",
-    "System.Collections": "4.0.11-beta-23428",
-    "System.Linq": "4.0.1-beta-23428",
-    "System.Diagnostics.Process": "4.1.0-beta-23428",
-    "Microsoft.DotNet.Cli.Utils": {
-      "type": "build",
-      "version": "1.0.0-*"
+    "name": "dotnet",
+    "version": "1.0.0-*",
+    "compilationOptions": {
+        "emitEntryPoint": true
     },
-    "Microsoft.Extensions.CommandLineUtils.Sources": {
-      "type": "build",
-      "version": "1.0.0-*"
+    "dependencies": {
+        "Microsoft.NETCore.Runtime": "1.0.1-beta-23502",
+
+        "System.Console": "4.0.0-beta-23428",
+        "System.Collections": "4.0.11-beta-23428",
+        "System.Linq": "4.0.1-beta-23428",
+        "System.Diagnostics.Process": "4.1.0-beta-23428",
+        "Microsoft.DotNet.Cli.Utils": {
+            "type": "build",
+            "version": "1.0.0-*"
+        },
+        "Microsoft.Extensions.CommandLineUtils.Sources": {
+            "type": "build",
+            "version": "1.0.0-*"
+        }
+    },
+    "frameworks": {
+        "dnxcore50": { }
     }
-  },
-  "frameworks": {
-    "dnxcore50": { }
-  }
 }
diff --git a/src/Microsoft.DotNet.ProjectModel/project.json b/src/Microsoft.DotNet.ProjectModel/project.json
index 62e74b259..0c71cb8c0 100644
--- a/src/Microsoft.DotNet.ProjectModel/project.json
+++ b/src/Microsoft.DotNet.ProjectModel/project.json
@@ -6,8 +6,8 @@
     "System.Collections": "4.0.11-beta-23428",
     "System.Linq": "4.0.1-beta-23428",
     "System.Threading.Thread": "4.0.0-beta-23428",
-    "System.Runtime.Loader": "4.0.0-beta-23428",
-    "System.Dynamic.Runtime": "4.0.11-beta-23428",
+    "System.Runtime.Loader": "4.0.0-beta-23502",
+    "System.Dynamic.Runtime": "4.0.11-beta-23502",
     "System.Runtime.InteropServices.RuntimeInformation": "4.0.0-beta-23428",
     "System.Security.Cryptography.Algorithms": "4.0.0-beta-23428",
 
diff --git a/src/Microsoft.DotNet.Tools.Compiler.Csc/project.json b/src/Microsoft.DotNet.Tools.Compiler.Csc/project.json
index 574428f1f..2c6998259 100644
--- a/src/Microsoft.DotNet.Tools.Compiler.Csc/project.json
+++ b/src/Microsoft.DotNet.Tools.Compiler.Csc/project.json
@@ -1,29 +1,29 @@
-{
-  "name": "dotnet-compile-csc",
-  "version": "1.0.0-*",
-  "compilationOptions": {
-    "emitEntryPoint": true
-  },
-  "dependencies": {
-    "Microsoft.NETCore.Runtime": "1.0.1-beta-23428",
-
-    "System.Console": "4.0.0-beta-23428",
-    "System.Collections": "4.0.11-beta-23428",
-    "System.Linq": "4.0.1-beta-23428",
-    "System.Diagnostics.Process": "4.1.0-beta-23428",
-    "System.IO.FileSystem": "4.0.1-beta-23428",
-
-    "Microsoft.DotNet.Cli.Utils": {
-      "type": "build",
-      "version": "1.0.0-*"
+{
+    "name": "dotnet-compile-csc",
+    "version": "1.0.0-*",
+    "compilationOptions": {
+        "emitEntryPoint": true
     },
-    "Microsoft.Extensions.CommandLineUtils.Sources": {
-      "type": "build",
-      "version": "1.0.0-*"
+    "dependencies": {
+        "Microsoft.NETCore.Runtime": "1.0.1-beta-23502",
+
+        "System.Console": "4.0.0-beta-23428",
+        "System.Collections": "4.0.11-beta-23428",
+        "System.Linq": "4.0.1-beta-23428",
+        "System.Diagnostics.Process": "4.1.0-beta-23428",
+        "System.IO.FileSystem": "4.0.1-beta-23428",
+
+        "Microsoft.DotNet.Cli.Utils": {
+            "type": "build",
+            "version": "1.0.0-*"
+        },
+        "Microsoft.Extensions.CommandLineUtils.Sources": {
+            "type": "build",
+            "version": "1.0.0-*"
+        },
+        "Microsoft.Net.Compilers.netcore": "1.1.0-*"
     },
-    "Microsoft.Net.Compilers.netcore": "1.1.0-*"
-  },
-  "frameworks": {
-    "dnxcore50": { }
-  }
+    "frameworks": {
+        "dnxcore50": { }
+    }
 }
diff --git a/src/Microsoft.DotNet.Tools.Compiler/project.json b/src/Microsoft.DotNet.Tools.Compiler/project.json
index fc3ed2f0e..30084cd9f 100644
--- a/src/Microsoft.DotNet.Tools.Compiler/project.json
+++ b/src/Microsoft.DotNet.Tools.Compiler/project.json
@@ -5,7 +5,7 @@
     "emitEntryPoint": true
   },
   "dependencies": {
-    "Microsoft.NETCore.Runtime": "1.0.1-beta-23428",
+    "Microsoft.NETCore.Runtime": "1.0.1-beta-23502",
 
     "System.Console": "4.0.0-beta-23428",
     "System.Collections": "4.0.11-beta-23428",
diff --git a/src/Microsoft.DotNet.Tools.Publish/project.json b/src/Microsoft.DotNet.Tools.Publish/project.json
index 643a91ff6..cf721e8e1 100644
--- a/src/Microsoft.DotNet.Tools.Publish/project.json
+++ b/src/Microsoft.DotNet.Tools.Publish/project.json
@@ -1,30 +1,30 @@
-{
-  "name": "dotnet-publish",
-  "version": "1.0.0-*",
-  "compilationOptions": {
-    "emitEntryPoint": true
-  },
-  "dependencies": {
-    "Microsoft.NETCore.Runtime": "1.0.1-beta-23428",
-
-    "System.Console": "4.0.0-beta-23428",
-    "System.Collections": "4.0.11-beta-23428",
-    "System.Linq": "4.0.1-beta-23428",
-    "System.Diagnostics.Process": "4.1.0-beta-23428",
-    "System.IO.FileSystem": "4.0.1-beta-23428",
-    "System.AppContext": "4.0.1-beta-23428",
-
-    "Microsoft.DotNet.ProjectModel": "1.0.0-*",
-    "Microsoft.DotNet.Cli.Utils": {
-      "type": "build",
-      "version": "1.0.0-*"
+{
+    "name": "dotnet-publish",
+    "version": "1.0.0-*",
+    "compilationOptions": {
+        "emitEntryPoint": true
     },
-    "Microsoft.Extensions.CommandLineUtils.Sources": {
-      "type": "build",
-      "version": "1.0.0-*"
+    "dependencies": {
+        "Microsoft.NETCore.Runtime": "1.0.1-beta-23502",
+
+        "System.Console": "4.0.0-beta-23428",
+        "System.Collections": "4.0.11-beta-23428",
+        "System.Linq": "4.0.1-beta-23428",
+        "System.Diagnostics.Process": "4.1.0-beta-23428",
+        "System.IO.FileSystem": "4.0.1-beta-23428",
+        "System.AppContext": "4.0.1-beta-23428",
+
+        "Microsoft.DotNet.ProjectModel": "1.0.0-*",
+        "Microsoft.DotNet.Cli.Utils": {
+            "type": "build",
+            "version": "1.0.0-*"
+        },
+        "Microsoft.Extensions.CommandLineUtils.Sources": {
+            "type": "build",
+            "version": "1.0.0-*"
+        }
+    },
+    "frameworks": {
+        "dnxcore50": { }
     }
-  },
-  "frameworks": {
-    "dnxcore50": { }
-  }
 }
diff --git a/src/Microsoft.DotNet.Tools.Resgen/project.json b/src/Microsoft.DotNet.Tools.Resgen/project.json
index 6fc21ea5e..78aab3e38 100644
--- a/src/Microsoft.DotNet.Tools.Resgen/project.json
+++ b/src/Microsoft.DotNet.Tools.Resgen/project.json
@@ -1,29 +1,29 @@
-{
-  "name": "resgen",
-  "version": "1.0.0-*",
-  "compilationOptions": {
-    "emitEntryPoint": true
-  },
-  "dependencies": {
-    "Microsoft.NETCore.Runtime": "1.0.1-beta-23428",
-    "System.Console": "4.0.0-beta-23428",
-    "System.Collections": "4.0.11-beta-23428",
-    "System.Linq": "4.0.1-beta-23428",
-    "System.Diagnostics.Process": "4.1.0-beta-23428",
-    "System.IO.FileSystem": "4.0.1-beta-23428",
-    "System.Xml.XDocument": "4.0.11-beta-23428",
-    "System.Resources.ReaderWriter": "4.0.0-beta-23428",
-
-    "Microsoft.DotNet.Cli.Utils": {
-      "type": "build",
-      "version": "1.0.0-*"
+{
+    "name": "resgen",
+    "version": "1.0.0-*",
+    "compilationOptions": {
+        "emitEntryPoint": true
     },
-    "Microsoft.Extensions.CommandLineUtils.Sources": {
-      "type": "build",
-      "version": "1.0.0-*"
+    "dependencies": {
+        "Microsoft.NETCore.Runtime": "1.0.1-beta-23502",
+        "System.Console": "4.0.0-beta-23428",
+        "System.Collections": "4.0.11-beta-23428",
+        "System.Linq": "4.0.1-beta-23428",
+        "System.Diagnostics.Process": "4.1.0-beta-23428",
+        "System.IO.FileSystem": "4.0.1-beta-23428",
+        "System.Xml.XDocument": "4.0.11-beta-23428",
+        "System.Resources.ReaderWriter": "4.0.0-beta-23428",
+
+        "Microsoft.DotNet.Cli.Utils": {
+            "type": "build",
+            "version": "1.0.0-*"
+        },
+        "Microsoft.Extensions.CommandLineUtils.Sources": {
+            "type": "build",
+            "version": "1.0.0-*"
+        }
+    },
+    "frameworks": {
+        "dnxcore50": { }
     }
-  },
-  "frameworks": {
-    "dnxcore50": { }
-  }
 }
diff --git a/src/Microsoft.DotNet.Tools.Run/project.json b/src/Microsoft.DotNet.Tools.Run/project.json
index 039ad417e..0a2d8ac93 100644
--- a/src/Microsoft.DotNet.Tools.Run/project.json
+++ b/src/Microsoft.DotNet.Tools.Run/project.json
@@ -5,7 +5,7 @@
     "emitEntryPoint": true
   },
   "dependencies": {
-    "Microsoft.NETCore.Runtime": "1.0.1-beta-23428",
+    "Microsoft.NETCore.Runtime": "1.0.1-beta-23502",
 
     "System.Console": "4.0.0-beta-23428",
     "System.Collections": "4.0.11-beta-23428",