diff --git a/hasql-postgres.cabal b/hasql-postgres.cabal
--- a/hasql-postgres.cabal
+++ b/hasql-postgres.cabal
@@ -1,7 +1,7 @@
 name:
   hasql-postgres
 version:
-  0.10.3.1
+  0.10.3.2
 synopsis:
   A "PostgreSQL" backend for the "hasql" library
 description:
@@ -92,7 +92,7 @@
     hashable >= 1.2 && < 1.3,
     -- control:
     free >= 4.6 && < 5,
-    either >= 4.3 && < 4.4,
+    either >= 4.3 && < 5,
     list-t < 0.5,
     mmorph == 1.0.*,
     transformers >= 0.3 && < 0.5,