diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,11 @@
+## 0.1.3
+
+* Fix build failure with directory-1.2.2.0 which exposes findExecutables
+
+## 0.1.2
+
+* Add MIN_VERSION_mtl(2,2,1) for Control.Monad.Except
+
 ## 0.1.1
 
 * Fix bugs of both isBindable and sendToPort : I was mistaken about PortNum.
diff --git a/src/Test/Sandbox/Internals.hs b/src/Test/Sandbox/Internals.hs
--- a/src/Test/Sandbox/Internals.hs
+++ b/src/Test/Sandbox/Internals.hs
@@ -38,7 +38,7 @@
 import GHC.IO.Handle
 import Network
 import Network.Socket
-import System.Directory
+import qualified System.Directory as D
 import System.Exit
 import System.FilePath
 import System.IO
@@ -484,10 +484,10 @@
 tryBinary :: FilePath -> IO (Maybe FilePath)
 tryBinary path = do
   expandedPath <- expand path
-  canonicalizedPath <- tryIOError $ canonicalizePath expandedPath
+  canonicalizedPath <- tryIOError $ D.canonicalizePath expandedPath
   case canonicalizedPath of
-    Left _ -> findExecutable expandedPath
-    Right realPath -> findExecutable realPath
+    Left _ -> D.findExecutable expandedPath
+    Right realPath -> D.findExecutable realPath
 
 getProcessCandidateBinaries :: SandboxedProcess -> [FilePath]
 getProcessCandidateBinaries sp =
diff --git a/test-sandbox.cabal b/test-sandbox.cabal
--- a/test-sandbox.cabal
+++ b/test-sandbox.cabal
@@ -1,5 +1,5 @@
 Name:           test-sandbox
-Version:        0.1.2
+Version:        0.1.3
 Cabal-Version:  >= 1.14
 Category:       Testing
 Synopsis:       Sandbox for system tests
@@ -28,7 +28,7 @@
 Source-Repository this
     Type:       git
     Location:   https://github.com/gree/haskell-test-sandbox
-    Tag:        test-sandbox_0.1.2
+    Tag:        test-sandbox_0.1.3
 
 Library
     Exposed-modules:    Test.Sandbox