diff --git a/src/Microsoft.AspNet.Routing/project.json b/src/Microsoft.AspNet.Routing/project.json
index b92978d8ed..79c8af4ae2 100644
--- a/src/Microsoft.AspNet.Routing/project.json
+++ b/src/Microsoft.AspNet.Routing/project.json
@@ -27,7 +27,7 @@
         "System.Runtime": "4.0.20.0",
         "System.Runtime.Extensions": "4.0.10.0",
         "System.Runtime.InteropServices": "4.0.20.0",
-        "System.Text.Encoding": "4.0.20.0",
+        "System.Text.Encoding": "4.0.10.0",
         "System.Text.RegularExpressions": "4.0.0.0",
         "System.Threading.Tasks": "4.0.10.0"
       }