diff --git a/src/Microsoft.AspNet.Server.WebListener/project.json b/src/Microsoft.AspNet.Server.WebListener/project.json
index 683d022..3151399 100644
--- a/src/Microsoft.AspNet.Server.WebListener/project.json
+++ b/src/Microsoft.AspNet.Server.WebListener/project.json
@@ -7,7 +7,8 @@
     "Microsoft.Net.Http.Server": "1.0.0-*"
   },
   "compilationOptions": {
-    "allowUnsafe": true
+    "allowUnsafe": true,
+    "keyFile": "../../tools/Key.snk"
   },
   "frameworks": {
     "dnx451": {},
diff --git a/src/Microsoft.Net.Http.Server/project.json b/src/Microsoft.Net.Http.Server/project.json
index 143a302..884a7ce 100644
--- a/src/Microsoft.Net.Http.Server/project.json
+++ b/src/Microsoft.Net.Http.Server/project.json
@@ -7,7 +7,8 @@
     "Microsoft.Net.WebSockets": "1.0.0-*"
   },
   "compilationOptions": {
-    "allowUnsafe": true
+    "allowUnsafe": true,
+    "keyFile": "../../tools/Key.snk"
   },
   "frameworks": {
     "net451": {},
diff --git a/src/Microsoft.Net.WebSockets/project.json b/src/Microsoft.Net.WebSockets/project.json
index b25f637..f79c20c 100644
--- a/src/Microsoft.Net.WebSockets/project.json
+++ b/src/Microsoft.Net.WebSockets/project.json
@@ -3,7 +3,8 @@
   "description": "Implementation of WebSocket abstract base class. Used by WebListener.",
   "dependencies": {},
   "compilationOptions": {
-    "allowUnsafe": true
+    "allowUnsafe": true,
+    "keyFile": "../../tools/Key.snk"
   },
   "frameworks": {
     "net451": {},
diff --git a/tools/Key.snk b/tools/Key.snk
new file mode 100644
index 0000000..e10e488
Binary files /dev/null and b/tools/Key.snk differ