diff --git a/main/Add.hs b/main/Add.hs
--- a/main/Add.hs
+++ b/main/Add.hs
@@ -13,13 +13,10 @@
 import Data.Text ( pack )
 import Data.Time.Clock
 import Data.Time.Format
+import Data.Time.Locale.Compat
 import Database.PostgreSQL.Schema
 import Options.Applicative
 import Shelly
-#if MIN_VERSION_time(1,5,0)
-#else
-import System.Locale
-#endif
 
 data Args = Args
   { aFile :: String
diff --git a/postgresql-schema.cabal b/postgresql-schema.cabal
--- a/postgresql-schema.cabal
+++ b/postgresql-schema.cabal
@@ -1,5 +1,5 @@
 name:                  postgresql-schema
-version:               0.1.6
+version:               0.1.7
 synopsis:              PostgreSQL Schema Management
 description:           Please see README.md
 homepage:              https://github.com/mfine/postgresql-schema
@@ -34,12 +34,12 @@
   default-language:    Haskell2010
   build-depends:       base >= 4.7 && < 5
                      , basic-prelude
-                     , old-locale
                      , optparse-applicative
                      , postgresql-schema
                      , shelly
                      , text
                      , time
+                     , time-locale-compat
   default-extensions:  NoImplicitPrelude
                        OverloadedStrings
                        RecordWildCards