diff --git a/unliftio-pool.cabal b/unliftio-pool.cabal
--- a/unliftio-pool.cabal
+++ b/unliftio-pool.cabal
@@ -1,5 +1,5 @@
 name:                unliftio-pool
-version:             0.2.1.0
+version:             0.2.1.1
 synopsis:            Data.Pool generalized to MonadUnliftIO.
 description:         This is a generalization of Data.Pool to MonadUnliftIO.
 license:             BSD3
@@ -8,7 +8,7 @@
 maintainer:          Bardur Arantsson <bardur@scientician.net>
 category:            Control, Data, Database, Network
 build-type:          Simple
-cabal-version:       >=1.10
+cabal-version:       1.24
 
 source-repository head
   type: git
@@ -20,6 +20,6 @@
                      , resource-pool >= 0.2.3.2 && < 0.3
                      , time >= 1.8 && < 2
                      , transformers >= 0.5 && < 0.6
-                     , unliftio-core >= 0.1.1 && < 0.2
+                     , unliftio-core >= 0.1.1 && < 0.3
   hs-source-dirs:      src
   default-language:    Haskell2010