diff --git a/Main.hs b/Main.hs
--- a/Main.hs
+++ b/Main.hs
@@ -7,4 +7,4 @@
   opts   <- getOptions
   config <- readConfigOrDie opts
   withConnection config $ \conn -> do
-    migrate conn $ optsMigrationsDirectory opts
+    migrate (optsTransaction opts) conn (optsMigrationsDirectory opts)
diff --git a/morph.cabal b/morph.cabal
--- a/morph.cabal
+++ b/morph.cabal
@@ -2,7 +2,7 @@
 --  see http://haskell.org/cabal/users-guide/
 
 name:                  morph
-version:               0.1.0.1
+version:               0.1.1.1
 synopsis:              A simple database migrator for PostgreSQL
 description:           Morph is a tool to migrate your PostgreSQL databases
                        safely which supports rollbacks.
@@ -16,7 +16,7 @@
 source-repository head
   type:                darcs
   location:            http://darcs.redspline.com/morph
-  tag:                 0.1.0.1
+  tag:                 0.1.1.1
 
 library
   hs-source-dirs:      src
diff --git a/src/Morph/Migrator.hs b/src/Morph/Migrator.hs
--- a/src/Morph/Migrator.hs
+++ b/src/Morph/Migrator.hs
@@ -98,8 +98,8 @@
   void $ execute conn "INSERT INTO migrations (id, rollback_sql) VALUES (?, ?)"
                  (migrationIdentifier migration, down)
 
-migrate :: Connection -> FilePath -> IO ()
-migrate conn dir = do
+migrate :: Bool -> Connection -> FilePath -> IO ()
+migrate inTransaction conn dir = do
   createMigrationTable conn
 
   doneMigrations <- listDone  conn
@@ -117,6 +117,6 @@
       toDo = filter ((`elem` toDoIdentifiers) . migrationIdentifier)
                     goalMigrations
 
-  withTransaction conn $ do
+  (if inTransaction then withTransaction conn else id) $ do
     forM_ toRollback $ rollbackMigration conn
     forM_ toDo       $ doMigration       conn
diff --git a/src/Morph/Options.hs b/src/Morph/Options.hs
--- a/src/Morph/Options.hs
+++ b/src/Morph/Options.hs
@@ -12,6 +12,7 @@
   , optsKeysPath            :: [T.Text]
   , optsMigrationsDirectory :: FilePath
   , optsJSONConfig          :: Bool
+  , optsTransaction         :: Bool
   }
 
 optionsParser :: Parser Options
@@ -28,6 +29,8 @@
                  <> help "Path to the directory containing migrations.")
   <*> flag False True (short 'j' <> long "json"
                        <> help "Read config file as JSON.")
+  <*> flag True False (long "no-transaction"
+                       <> help "Do not run migrations in a SQL transaction. ")
 
 getOptions :: IO Options
 getOptions = execParser $ info (helper <*> optionsParser) $