diff --git a/stm.cabal b/stm.cabal
index 36a2b30..bd9cb62 100644
--- a/stm.cabal
+++ b/stm.cabal
@@ -47,7 +47,7 @@ library
         build-depends: nats (>= 0.1.3 && < 0.3) || (>= 1 && < 1.2)
 
     build-depends:
-        base  >= 4.3 && < 4.14,
+        base  >= 4.3 && < 4.15,
         array >= 0.3 && < 0.6
 
     exposed-modules: