diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -2,6 +2,10 @@
 
 ## Unreleased changes
 
+## 0.1.0.7
+
+- Support mtl-2.3 [#9](https://github.com/parsonsmatt/persistent-discover/pull/9)
+
 ## 0.1.0.6
 
 - Support GHC 9.4 [#7](https://github.com/parsonsmatt/persistent-discover/pull/7)
diff --git a/persistent-discover.cabal b/persistent-discover.cabal
--- a/persistent-discover.cabal
+++ b/persistent-discover.cabal
@@ -1,13 +1,13 @@
 cabal-version: 1.12
 
--- This file has been generated from package.yaml by hpack version 0.34.4.
+-- This file has been generated from package.yaml by hpack version 0.35.2.
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 343d63a5a6767f26b0dab5b140edfb2b53cf84538eac11be8785e36f159b6522
+-- hash: a315e00c1e80fe98e227a4617492511b2f8dbbd0157646d2e568835f2f4b12c2
 
 name:           persistent-discover
-version:        0.1.0.6
+version:        0.1.0.7
 synopsis:       Persistent module discover utilities
 description:    This package provides an executable for discovering Persistent model definition files, as well as a library function to glob all persistent model files. Please see the README on GitHub at <https://github.com/parsonsmatt/persistent-discover#readme>
 category:       Web
diff --git a/src/Database/Persist/Discover/Exe.hs b/src/Database/Persist/Discover/Exe.hs
--- a/src/Database/Persist/Discover/Exe.hs
+++ b/src/Database/Persist/Discover/Exe.hs
@@ -33,6 +33,7 @@
 module Database.Persist.Discover.Exe where
 
 import System.FilePath
+import Control.Monad (guard, filterM)
 import Control.Monad.State
 import Data.String
 import Data.DList (DList(..))