diff --git a/SJW.cabal b/SJW.cabal
index c8aa2c6..36a31e9 100644
--- a/SJW.cabal
+++ b/SJW.cabal
@@ -29,7 +29,7 @@ executable sjw
                      , Priority
   -- other-extensions:
   build-depends:       attoparsec
-                     , base >=4.12 && <4.13
+                     , base >=4.11 && <4.13
                      , containers
                      , directory
                      , filepath