unliftio-core.cabal | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/unliftio-core.cabal b/unliftio-core.cabal
index 23923a5..f58bcfa 100644
--- a/unliftio-core.cabal
+++ b/unliftio-core.cabal
@@ -26,7 +26,7 @@ library
   hs-source-dirs:
       src
   build-depends:
-      base >=4.5 && <4.12
+      base >=4.5 && <4.14
     , transformers >=0.2 && <0.6
   exposed-modules:
       Control.Monad.IO.Unlift