Bump io-classes

Author: coot

typed-protocols/typed-protocols.cabal

@@ -1,6 +1,6 @@
 cabal-version:       3.0
 name:                typed-protocols
-version:             0.1.0.2
+version:             0.1.0.3
 synopsis:            A framework for strongly typed protocols
 -- description:
 license:             Apache-2.0
@@ -34,7 +34,7 @@ library
                    , TypeOperators
                    , BangPatterns
   build-depends:     base,
-                     io-classes ^>= 0.3
+                     io-classes >= 0.3 && < 0.5
 
   hs-source-dirs:    src
   default-language:  Haskell2010