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:             0.2.0.0
+version:             0.2.1.0
 synopsis:            Data.Pool generalized to MonadUnliftIO.
 description:         This is a generalization of Data.Pool to MonadUnliftIO.
 license:             BSD3
@@ -16,7 +16,7 @@
 
 library
   exposed-modules:     UnliftIO.Pool
-  build-depends:       base >= 4.10 && < 4.11
+  build-depends:       base >= 4.10 && < 5
                      , resource-pool >= 0.2.3.2 && < 0.3
                      , time >= 1.8 && < 2
                      , transformers >= 0.5 && < 0.6