--- dec-0.0.6/dec.cabal	2001-09-09 03:46:40.000000000 +0200
+++ dec-0.0.6.new/dec.cabal	2024-12-26 14:34:53.737083092 +0100
@@ -44,7 +44,7 @@
   ghc-options:      -Wall -fprint-explicit-kinds
   exposed-modules:  Data.Type.Dec
   build-depends:
-      base    >=4.12.0.0 && <4.21
+      base    >=4.12.0.0 && <4.22
     , boring  >=0.2.2 && <0.3
 
   if impl(ghc >=9.0)