diff --git a/web-routes-regular.cabal b/web-routes-regular.cabal
--- a/web-routes-regular.cabal
+++ b/web-routes-regular.cabal
@@ -1,5 +1,5 @@
 Name:             web-routes-regular
-Version:          0.18.1
+Version:          0.18.2
 License:          BSD3
 License-File:     LICENSE
 Author:           jeremy@seereason.com
@@ -12,7 +12,7 @@
 Build-type:       Simple
 
 Library
-        Build-Depends:    base >= 4 && < 5, parsec >= 2 && <3, regular, web-routes >= 0.18
+        Build-Depends:    base >= 4 && < 5, parsec >= 2 && <4, regular, web-routes >= 0.18
         Exposed-Modules:  Web.Routes.Regular
 
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