diff --git a/cab.cabal b/cab.cabal
--- a/cab.cabal
+++ b/cab.cabal
@@ -1,5 +1,5 @@
 Name:                   cab
-Version:                0.2.3
+Version:                0.2.4
 Author:                 Kazu Yamamoto <kazu@iij.ad.jp>
 Maintainer:             Kazu Yamamoto <kazu@iij.ad.jp>
 License:                BSD3
diff --git a/src/Commands.hs b/src/Commands.hs
--- a/src/Commands.hs
+++ b/src/Commands.hs
@@ -25,8 +25,8 @@
                     ,(SwFlag, WithEqArg "--flags")
                     ,(SwTest, Solo "--enable-tests")
                     ,(SwDepsOnly, Solo "--only-dependencies")
-                    ,(SwLibProfile, Solo "--enable-library-profiling")
-                    ,(SwExecProfile, Solo "--enable-executable-profiling")
+                    ,(SwLibProfile, Solo "--enable-library-profiling --ghc-options=\"-fprof-auto -fprof-cafs\"")
+                    ,(SwExecProfile, Solo "--enable-executable-profiling --ghc-options=\"-fprof-auto -fprof-cafs\"")
                     ,(SwJobs, WithEqArg "--jobs")
                     ]
        , manual = Just "[<package> [<ver>]]"
@@ -60,8 +60,8 @@
        , switches = [(SwFlag, WithEqArg "--flags")
                     ,(SwTest, Solo "--enable-tests")
                     ,(SwBench, Solo "--enable-benchmarks")
-                    ,(SwLibProfile, Solo "--enable-library-profiling")
-                    ,(SwExecProfile, Solo "--enable-executable-profiling")
+                    ,(SwLibProfile, Solo "--enable-library-profiling --ghc-options=\"-fprof-auto -fprof-cafs\"")
+                    ,(SwExecProfile, Solo "--enable-executable-profiling --ghc-options=\"-fprof-auto -fprof-cafs\"")
                     ]
        , manual = Nothing
        }