diff --git a/paket.lock b/paket.lock
index 4d5d9f54..4e9a6cc4 100644
--- a/paket.lock
+++ b/paket.lock
@@ -4,7 +4,7 @@ NUGET
     Expression.Blend.Sdk (1.0.2)
     Fantomas (1.11.0)
       FSharp.Compiler.Service (>= 1.4.0.5)
-    FSharp.Compiler.Service (1.4.0.6)
+    FSharp.Compiler.Service (1.4.0.9)
     FSharp.Management (0.3.0)
     FSharp.ViewModule.Core (0.9.9.1)
     FSharpLint.Core (0.0.13-beta)
diff --git a/tests/FSharpVSPowerTools.Core.Tests/GoToDefinitionTests.fs b/tests/FSharpVSPowerTools.Core.Tests/GoToDefinitionTests.fs
index b1f46a7b..097e264c 100644
--- a/tests/FSharpVSPowerTools.Core.Tests/GoToDefinitionTests.fs
+++ b/tests/FSharpVSPowerTools.Core.Tests/GoToDefinitionTests.fs
@@ -110,7 +110,9 @@ let generateDefinitionFromPos caretPos src =
     let signature = Option.get (tryGenerateDefinitionFromPos caretPos src)
     match validateSignature src signature with
     | None | Some [||] -> ()
-    | Some errors -> failwithf "Type checking results in errors: %A" errors
+    | Some errors -> 
+        printfn "Output signature: %s" signature
+        failwithf "Type checking results in errors: %A" errors
     signature
 
 let generateDefinitionFromPosNoValidation caretPos src =