diff --git a/samples/CookieSample/project.json b/samples/CookieSample/project.json
index 85f8a1e331..c405745f10 100644
--- a/samples/CookieSample/project.json
+++ b/samples/CookieSample/project.json
@@ -15,7 +15,7 @@
   "frameworks": {
     "net45": {
     },
-    "k10": {
+    "aspnetcore50": {
       "dependencies": {
         "System.Collections": "4.0.10.0",
         "System.Console": "4.0.0.0",
diff --git a/samples/SocialSample/Project.json b/samples/SocialSample/Project.json
index 1af9beef0a..1dc7c69443 100644
--- a/samples/SocialSample/Project.json
+++ b/samples/SocialSample/Project.json
@@ -15,7 +15,7 @@
   "frameworks": {
     "net45": {
     },
-    "k10": {
+    "aspnetcore50": {
       "dependencies": {
         "System.Collections": "4.0.10.0",
         "System.Console": "4.0.0.0",
diff --git a/src/Microsoft.AspNet.Security.Cookies/project.json b/src/Microsoft.AspNet.Security.Cookies/project.json
index 0336d73e9f..0a3d6d36db 100644
--- a/src/Microsoft.AspNet.Security.Cookies/project.json
+++ b/src/Microsoft.AspNet.Security.Cookies/project.json
@@ -14,7 +14,7 @@
   },
   "frameworks": {
     "net45": {},
-    "k10": {
+    "aspnetcore50": {
       "dependencies": {
         "System.Collections": "4.0.10.0",
         "System.ComponentModel": "4.0.0.0",
diff --git a/src/Microsoft.AspNet.Security.Facebook/Project.json b/src/Microsoft.AspNet.Security.Facebook/Project.json
index 9f19015e3d..608aa0b6d3 100644
--- a/src/Microsoft.AspNet.Security.Facebook/Project.json
+++ b/src/Microsoft.AspNet.Security.Facebook/Project.json
@@ -16,7 +16,7 @@
                 "System.Net.Http.WebRequest": ""
             }
         },
-        "k10": {
+        "aspnetcore50": {
             "dependencies": {
                 "System.Collections": "4.0.10.0",
                 "System.ComponentModel": "4.0.0.0",
diff --git a/src/Microsoft.AspNet.Security.Google/Project.json b/src/Microsoft.AspNet.Security.Google/Project.json
index 9f19015e3d..608aa0b6d3 100644
--- a/src/Microsoft.AspNet.Security.Google/Project.json
+++ b/src/Microsoft.AspNet.Security.Google/Project.json
@@ -16,7 +16,7 @@
                 "System.Net.Http.WebRequest": ""
             }
         },
-        "k10": {
+        "aspnetcore50": {
             "dependencies": {
                 "System.Collections": "4.0.10.0",
                 "System.ComponentModel": "4.0.0.0",
diff --git a/src/Microsoft.AspNet.Security.Twitter/Project.json b/src/Microsoft.AspNet.Security.Twitter/Project.json
index 9f19015e3d..608aa0b6d3 100644
--- a/src/Microsoft.AspNet.Security.Twitter/Project.json
+++ b/src/Microsoft.AspNet.Security.Twitter/Project.json
@@ -16,7 +16,7 @@
                 "System.Net.Http.WebRequest": ""
             }
         },
-        "k10": {
+        "aspnetcore50": {
             "dependencies": {
                 "System.Collections": "4.0.10.0",
                 "System.ComponentModel": "4.0.0.0",
diff --git a/src/Microsoft.AspNet.Security/project.json b/src/Microsoft.AspNet.Security/project.json
index e79296344e..f328ce7501 100644
--- a/src/Microsoft.AspNet.Security/project.json
+++ b/src/Microsoft.AspNet.Security/project.json
@@ -11,7 +11,7 @@
   },
   "frameworks": {
     "net45": {},
-    "k10": {
+    "aspnetcore50": {
       "dependencies": {
         "System.Collections": "4.0.10.0",
         "System.ComponentModel": "4.0.0.0",
diff --git a/test/Microsoft.AspNet.Security.Test/project.json b/test/Microsoft.AspNet.Security.Test/project.json
index 976f4ef7a1..4da6822916 100644
--- a/test/Microsoft.AspNet.Security.Test/project.json
+++ b/test/Microsoft.AspNet.Security.Test/project.json
@@ -1,4 +1,4 @@
-{
+{
   "compilationOptions": {
     "warningsAsErrors": true
   },