diff --git a/errors.cabal b/errors.cabal
--- a/errors.cabal
+++ b/errors.cabal
@@ -1,5 +1,5 @@
 Name: errors
-Version: 2.1.0
+Version: 2.1.1
 Cabal-Version: >=1.8.0.2
 Build-Type: Simple
 License: BSD3
@@ -25,7 +25,7 @@
         base                >= 4     && < 5  ,
         safe                >= 0.3.3 && < 0.4,
         transformers        >= 0.2   && < 0.5,
-        transformers-compat >= 0.4   && < 0.5,
+        transformers-compat >= 0.4   && < 0.6,
         unexceptionalio     >= 0.3   && < 0.4
     Exposed-Modules:
         Control.Error,