1 files changed, 2 insertions, 1 deletions

diff --git a/trivmix.cabal b/trivmix.cabal
index 803c640..54aad76 100644
--- a/trivmix.cabal
+++ b/trivmix.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                trivmix
-version:             2.5.2
+version:             2.5.3
 -- synopsis:            
 -- description:         
 license:             PublicDomain
@@ -48,6 +48,7 @@ executable adjmix
   build-depends:       base >=4.7 && <4.8
                      , optparse-applicative >=0.11 && <1
                      , filepath >=1.3 && <2
+                     , filelock >=0.1 && <1
                      , trivmix
   hs-source-dirs:      adjmix
   default-language:    Haskell2010