--- servant-0.20.2/servant.cabal	2001-09-09 03:46:40.000000000 +0200
+++ servant-0.20.2.new/servant.cabal	2024-12-28 13:59:04.207846412 +0100
@@ -127,7 +127,7 @@
   --
   -- note: mtl lower bound is so low because of GHC-7.8
   build-depends:
-    , base          >=4.14     && <4.21
+    , base          >=4.14     && <4.22
     , bytestring    >=0.10.8.1 && <0.13
     , constraints   >=0.2
     , containers    >=0.6      && <0.8