diff --git a/clckwrks-plugin-ircbot.cabal b/clckwrks-plugin-ircbot.cabal
--- a/clckwrks-plugin-ircbot.cabal
+++ b/clckwrks-plugin-ircbot.cabal
@@ -1,5 +1,5 @@
 Name:                clckwrks-plugin-ircbot
-Version:             0.6.1
+Version:             0.6.2
 Synopsis:            ircbot plugin for clckwrks
 Homepage:            http://clckwrks.com/
 License:             BSD3
@@ -40,7 +40,7 @@
 
   Build-depends:
     base                    < 5,
-    acid-state             >= 0.9,
+    acid-state             >= 0.12 && < 0.13,
     attoparsec             == 0.10.*,
     blaze-html             >= 0.5 && < 0.7,
     clckwrks               >= 0.18 && < 0.20,