diff --git a/SharpCompress/project.json b/SharpCompress/project.json
index ad1ad27b..98e0f560 100644
--- a/SharpCompress/project.json
+++ b/SharpCompress/project.json
@@ -8,7 +8,21 @@
 
     "frameworks": {
         "net35": { },
+        "net40": { },
         "net45": { },
+        "netcore45": {
+            "frameworkAssemblies": {
+                "mscorlib":  "",
+                "System": "",
+                "System.Collections": "",
+                "System.IO": "",
+                "System.Linq": "",
+                "System.Reflection":  ""
+            },
+            "compilationOptions": {
+                "define": [ "NETFX_CORE" ]
+            }
+        },
         "dnxcore50": {
             "dependencies": {
                 "System.IO.FileSystem": "4.0.0-beta-23109",
@@ -20,7 +34,7 @@
             },
             "compilationOptions": {
                 "define": [ "DNXCORE50" ]
-            }        
+            }
         }
     }
 }