diff --git a/shake-ext.cabal b/shake-ext.cabal
--- a/shake-ext.cabal
+++ b/shake-ext.cabal
@@ -1,5 +1,5 @@
 name:                shake-ext
-version:             1.4.0.5
+version:             1.4.0.6
 synopsis:            Helper functions for linting with shake 
 description:         This package provides several linters out of the box, as well as functionality for building ATS source files with [shake](http://shakebuild.com/).
 homepage:            https://hub.darcs.net/vmchale/shake-ext
diff --git a/src/Development/Shake/Check.hs b/src/Development/Shake/Check.hs
--- a/src/Development/Shake/Check.hs
+++ b/src/Development/Shake/Check.hs
@@ -21,3 +21,6 @@
 
 patsFilter :: (MonadIO m) => m Bool
 patsFilter = checkExecutable "pats-filter"
+
+valgrind :: (MonadIO m) => m Bool
+valgrind = checkExecutable "valgrind"