1 files changed, 2 insertions, 1 deletions

diff --git a/trivmix.cabal b/trivmix.cabal
index b0d77a7..74001d7 100644
--- a/trivmix.cabal
+++ b/trivmix.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                trivmix
-version:             2.3.0
+version:             2.4.0
 -- synopsis:            
 -- description:         
 license:             PublicDomain
@@ -30,6 +30,7 @@ executable trivmix
                      , explicit-exception >=0.1 && <1
                      , process >=1.2 && <2
                      , case-insensitive >=1.2 && <2
+                     , filelock >=0.1 && <1
   hs-source-dirs:      src
   default-language:    Haskell2010
   ghc-options:         -threaded