diff --git a/cabal-testsuite/cabal-testsuite.cabal b/cabal-testsuite/cabal-testsuite.cabal
index 3f369cc7125..49aac060b45 100644
--- a/cabal-testsuite/cabal-testsuite.cabal
+++ b/cabal-testsuite/cabal-testsuite.cabal
@@ -76,7 +76,7 @@ library
     , array                 ^>= 0.4.0.1 || ^>= 0.5.0.0
     , temporary             ^>= 1.3
     , text                  ^>= 1.2.3.1 || ^>= 2.0.1   || ^>= 2.1
-    , time                   >= 1.4.0.0
+    , time-compat           ^>= 1.9.0.0
     , transformers          ^>= 0.3.0.0 || ^>= 0.4.2.0 || ^>= 0.5.2.0 || ^>= 0.6.0.2
 
   if !os(windows)
diff --git a/cabal-testsuite/src/Test/Cabal/Prelude.hs b/cabal-testsuite/src/Test/Cabal/Prelude.hs
index 1192f448e2d..2d2006b1109 100644
--- a/cabal-testsuite/src/Test/Cabal/Prelude.hs
+++ b/cabal-testsuite/src/Test/Cabal/Prelude.hs
@@ -15,7 +15,7 @@ module Test.Cabal.Prelude (
     module Control.Monad.IO.Class,
     module Distribution.Version,
     module Distribution.Simple.Program,
-    module Data.Time.Format.ISO8601
+    module Data.Time.Format.ISO8601.Compat
 ) where
 
 import Test.Cabal.Script
@@ -67,7 +67,7 @@ import Control.Concurrent (threadDelay)
 import qualified Data.Char as Char
 import System.Environment
 import Data.Time
-import Data.Time.Format.ISO8601 (iso8601ParseM)
+import Data.Time.Format.ISO8601.Compat (iso8601ParseM)
 import System.Directory
 
 #ifndef mingw32_HOST_OS