diff --git a/CHANGES b/CHANGES
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,9 @@
+Version 0.6.3.1 released 13 Feb 2017
+
+* Bump to 0.6.3.1, raise directory upper bound.
+* Fix false-positive on travis.
+* Fix bug in 'revision' for git (changes were not obtained).
+
 Version 0.6.3 released 23 Jan 2017
 
 * Handle git rename changes (as a Deleted+Added) (#10, Kevin Quick).
diff --git a/Data/FileStore/Git.hs b/Data/FileStore/Git.hs
--- a/Data/FileStore/Git.hs
+++ b/Data/FileStore/Git.hs
@@ -196,9 +196,9 @@
 -- | Get revision information for a particular revision ID, or latest revision.
 gitGetRevision :: FilePath -> RevisionId -> IO Revision
 gitGetRevision repo revid = do
-  (status, _, output) <- runGitCommand repo "log" ["-z","--pretty=format:" ++ gitLogFormat, "--max-count=1", revid]
+  (status, _, output) <- runGitCommand repo "whatchanged" ["-z","--pretty=format:" ++ gitLogFormat, "--max-count=1", revid]
   if status == ExitSuccess
-     then parseLogEntry $ B.drop 1 output  -- drop initial \1
+     then parseLogEntry $ B.drop 1 output -- drop initial \1
      else throwIO NotFound
 
 -- | Get a list of all known files inside and managed by a repository.
diff --git a/filestore.cabal b/filestore.cabal
--- a/filestore.cabal
+++ b/filestore.cabal
@@ -1,5 +1,5 @@
 Name:                filestore
-Version:             0.6.3
+Version:             0.6.3.1
 Cabal-Version:       >= 1.10
 Build-type:          Custom
 Synopsis:            Interface for versioning file stores.
@@ -33,7 +33,7 @@
                          containers >= 0.3 && < 0.6,
                          utf8-string >= 0.3 && < 1.1,
                          filepath >= 1.1 && < 1.5,
-                         directory >= 1.0 && < 1.3,
+                         directory >= 1.0 && < 1.4,
                          parsec >= 2 && < 3.2,
                          process >= 1.0 && < 1.5,
                          time >= 1.1 && < 1.7,