diff --git a/src/Microsoft.SqlTools.ServiceLayer/project.json b/src/Microsoft.SqlTools.ServiceLayer/project.json
index d698cec0..2718de69 100644
--- a/src/Microsoft.SqlTools.ServiceLayer/project.json
+++ b/src/Microsoft.SqlTools.ServiceLayer/project.json
@@ -14,7 +14,7 @@
     "System.Security.SecureString": "4.0.0",
     "System.Collections.Specialized": "4.0.1",
     "System.ComponentModel.TypeConverter": "4.1.0",
-    "System.Diagnostics.Contracts": "4.0.0",    
+    "System.Diagnostics.Contracts": "4.0.1",    
     "System.Diagnostics.TraceSource": "4.0.0",
     "NETStandard.Library": "1.6.0",
     "Microsoft.NETCore.Runtime.CoreCLR": "1.0.2",