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:             0.4.2.0
+version:             0.4.3.0
 synopsis:            Data.Pool generalized to MonadUnliftIO.
 description:         This is a generalization of Data.Pool to MonadUnliftIO.
 license:             BSD3
@@ -18,7 +18,6 @@
   exposed-modules:     UnliftIO.Pool
   build-depends:       base >= 4.10 && < 5
                      , resource-pool >= 0.4 && < 0.5
-                     , transformers >= 0.5 && < 0.6
                      , unliftio-core >= 0.1.1 && < 0.3
   hs-source-dirs:      src
   default-language:    Haskell2010