diff --git a/YavscLib/project.json b/YavscLib/project.json
index 53e80edd..4db142d6 100644
--- a/YavscLib/project.json
+++ b/YavscLib/project.json
@@ -15,6 +15,7 @@
   "dependencies": {},
   "frameworks": {
     "net451": {
+        "System.ComponentModel.Annotations": "4.0.0"
     },
     ".NETPortable,Version=v4.5,Profile=Profile111": {
       "frameworkAssemblies": {
@@ -26,4 +27,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/YavscLib/project.lock.json b/YavscLib/project.lock.json
index 404146cf..6565f069 100644
--- a/YavscLib/project.lock.json
+++ b/YavscLib/project.lock.json
@@ -3,20 +3,22 @@
   "version": 2,
   "targets": {
     ".NETFramework,Version=v4.5.1": {},
-    ".NETPortable,Version=v4.5,Profile=Profile111": {}
+    ".NETPortable,Version=v4.5,Profile=Profile111": {},
+    ".NETFramework,Version=v4.5.1/debian.8-x86": {},
+    ".NETFramework,Version=v4.5.1/debian.8-x64": {},
+    ".NETPortable,Version=v4.5,Profile=Profile111/debian.8-x86": {},
+    ".NETPortable,Version=v4.5,Profile=Profile111/debian.8-x64": {}
   },
   "libraries": {},
   "projectFileDependencyGroups": {
     "": [],
     ".NETFramework,Version=v4.5.1": [],
     ".NETPortable,Version=v4.5,Profile=Profile111": [
-      "System >= 4.0.0",
-      "System.Collections >= 4.0.0",
-      "System.Globalization >= 4.0.0",
-      "System.Resources.ResourceManager >= 4.0.0",
-      "System.Runtime >= 4.0.0"
+      "fx/System >= 4.0.0",
+      "fx/System.Runtime >= 4.0.0",
+      "fx/System.Globalization >= 4.0.0",
+      "fx/System.Resources.ResourceManager >= 4.0.0",
+      "fx/System.Collections >= 4.0.0"
     ]
-  },
-  "tools": {},
-  "projectFileToolGroups": {}
+  }
 }
\ No newline at end of file