diff --git a/src/Common/project.json b/src/Common/project.json
index 2a36c3d6c3..dfe6f04751 100644
--- a/src/Common/project.json
+++ b/src/Common/project.json
@@ -1,3 +1,6 @@
 {
-  "shared": "*.cs"
+  "shared": "*.cs",
+  "dependencies": {
+    "System.Runtime" : "4.0.20.0"
+  }
 }
\ No newline at end of file