diff --git a/free-theorems-webui.cabal b/free-theorems-webui.cabal
--- a/free-theorems-webui.cabal
+++ b/free-theorems-webui.cabal
@@ -1,5 +1,5 @@
 Name:     free-theorems-webui
-Version:  0.2
+Version:  0.2.0.1
 
 Synopsis: CGI-based web interface for the free-theorems package.
 Description:
@@ -57,7 +57,7 @@
 Executable free-theorems-webui.cgi
    main-is: Main.hs
    build-depends: base          >= 3.0.3.1 && <5
-                , free-theorems >= 0.3.1.2
+                , free-theorems >= 0.3.1.3 && <0.4
                 , csv           >= 0.1.1
                 , cgi           >= 3001.1.7.1
                 , time          >= 1.1.4