diff --git a/grapesy.cabal b/grapesy.cabal
index 84970fcf..296aafa8 100644
--- a/grapesy.cabal
+++ b/grapesy.cabal
@@ -599,6 +599,9 @@ benchmark grapesy-kvstore
     cpp-options: -DSTRACE
     build-depends: unix >= 2.7 && < 2.9
 
+  ghc-options:
+    -debug
+
 Flag build-demo
   description: Build the demo
   default: False