diff --git a/src/Microsoft.Net.Http.Server/project.json b/src/Microsoft.Net.Http.Server/project.json
index fe3340ff30..c23246d6d6 100644
--- a/src/Microsoft.Net.Http.Server/project.json
+++ b/src/Microsoft.Net.Http.Server/project.json
@@ -26,7 +26,7 @@
       "dependencies": {
         "Microsoft.Extensions.RuntimeEnvironment.Sources": {
           "type": "build",
-          "version": "1.1.0-*"
+          "version": "1.0.0"
         },
         "Microsoft.Win32.Primitives": "4.0.1",
         "System.Diagnostics.Contracts": "4.0.1",