diff --git a/src/Microsoft.AspNet.Routing/project.json b/src/Microsoft.AspNet.Routing/project.json
index 48f2f80379..feeb3192e4 100644
--- a/src/Microsoft.AspNet.Routing/project.json
+++ b/src/Microsoft.AspNet.Routing/project.json
@@ -28,7 +28,7 @@
         "System.Runtime.Extensions": "4.0.10-beta-*",
         "System.Runtime.InteropServices": "4.0.20-beta-*",
         "System.Text.Encoding": "4.0.10-beta-*",
-        "System.Text.RegularExpressions": "4.0.0-beta-*",
+        "System.Text.RegularExpressions": "4.0.10-beta-*",
         "System.Threading.Tasks": "4.0.10-beta-*"
       }
     }
diff --git a/test/Microsoft.AspNet.Routing.Tests/project.json b/test/Microsoft.AspNet.Routing.Tests/project.json
index 332c5715af..11d1e71bc4 100644
--- a/test/Microsoft.AspNet.Routing.Tests/project.json
+++ b/test/Microsoft.AspNet.Routing.Tests/project.json
@@ -17,7 +17,7 @@
                 "System.Runtime.Extensions": "4.0.10-beta-*",
                 "System.Threading": "4.0.0-beta-*",
                 "System.Threading.Tasks": "4.0.10-beta-*",
-                "System.Text.RegularExpressions": "4.0.0-beta-*"
+                "System.Text.RegularExpressions": "4.0.10-beta-*"
             }
         },
         "aspnet50": {