diff --git a/concurrent-machines.cabal b/concurrent-machines.cabal
--- a/concurrent-machines.cabal
+++ b/concurrent-machines.cabal
@@ -1,5 +1,5 @@
 name:                concurrent-machines
-version:             0.2.3
+version:             0.2.3.1
 synopsis:            Concurrent networked stream transducers
 
 description: A simple use-case for this library is to run the stages
@@ -57,7 +57,7 @@
                        transformers-base >= 0.4 && < 0.6,
                        machines >= 0.5 && < 0.7,
                        async >= 2.0.1 && < 2.2,
-                       lifted-async >= 0.1 && < 0.9,
+                       lifted-async >= 0.1 && < 0.10,
                        semigroups >= 0.8 && < 0.19
   hs-source-dirs:      src
   default-language:    Haskell2010
