diff --git a/irc-client.cabal b/irc-client.cabal
--- a/irc-client.cabal
+++ b/irc-client.cabal
@@ -10,7 +10,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             1.1.0.4
+version:             1.1.0.5
 
 -- A short (one-line) description of the package.
 synopsis:            An IRC client library.
@@ -99,7 +99,7 @@
                      , network-conduit-tls >=1.1   && <1.4
                      , old-locale          >=1.0   && <1.1
                      , profunctors         >=5     && <6
-                     , stm                 >=2.4   && <2.5
+                     , stm                 >=2.4   && <2.6
                      , stm-chans           >=2.0   && <3.1
                      , text                >=1.1   && <1.3
                      , time                >=1.4   && <1.9
@@ -124,4 +124,4 @@
 source-repository this
   type:     git
   location: https://github.com/barrucadu/irc-client.git
-  tag:      1.1.0.4
+  tag:      1.1.0.5