diff --git a/src/ImageSharp/project.json b/src/ImageSharp/project.json
index f354f5800..5d6d1ca94 100644
--- a/src/ImageSharp/project.json
+++ b/src/ImageSharp/project.json
@@ -62,6 +62,8 @@
         "System.Threading.Tasks": "4.0.11",
         "System.Threading.Tasks.Parallel": "4.0.1"
       }
+    },
+    "net45": {
     }
   }
 }
\ No newline at end of file