diff --git a/src/Microsoft.AspNetCore.Mvc.Razor.Host/project.json b/src/Microsoft.AspNetCore.Mvc.Razor.Host/project.json
index cc96eeb347..0aed69a767 100644
--- a/src/Microsoft.AspNetCore.Mvc.Razor.Host/project.json
+++ b/src/Microsoft.AspNetCore.Mvc.Razor.Host/project.json
@@ -27,7 +27,7 @@
     "dotnet5.4": {
       "dependencies": {
         "Microsoft.Extensions.PlatformAbstractions": "1.0.0-*",
-        "System.Collections.Concurrent": "4.0.11-*",
+        "System.Collections.Concurrent": "4.0.12-*",
         "System.ComponentModel.TypeConverter": "4.0.1-*",
         "System.Reflection.Extensions": "4.0.1-*",
         "System.Text.Encoding.Extensions": "4.0.11-*"