diff --git a/cabal.config b/cabal.config
index 2544e4b..7b652c6 100644
--- a/cabal.config
+++ b/cabal.config
@@ -1 +1,2 @@
 constraints: affection +debug
+profiling: True
diff --git a/shell.nix b/shell.nix
index c29408c..354cfe7 100644
--- a/shell.nix
+++ b/shell.nix
@@ -71,6 +71,7 @@ let
         src = ./.;
         isLibrary = false;
         isExecutable = true;
+        enableExecutableProfiling = true;
         executableHaskellDepends = [
           affectionNeko astar base containers ecstasy linear matrix nanovgNeko
           OpenGL random sdl2 stm text unordered-containers vector