diff --git a/Roller/Core.hs b/Roller/Core.hs
--- a/Roller/Core.hs
+++ b/Roller/Core.hs
@@ -1,4 +1,7 @@
-module Roller.Core (main) where
+module Roller.Core (
+    main
+  , roll
+) where
 
 import Roller.Types
 import Roller.Parse
diff --git a/roller.cabal b/roller.cabal
--- a/roller.cabal
+++ b/roller.cabal
@@ -1,5 +1,5 @@
 name:                roller
-version:             0.1.2
+version:             0.1.3
 synopsis:            Playing with applicatives and dice!
 description:         A basic library and program for simulated rolling of
                      polyhedral dice, as would be used in pen and paper RPGs.