diff --git a/based.cabal b/based.cabal
index 3a2659d..a9ec947 100644
--- a/based.cabal
+++ b/based.cabal
@@ -41,6 +41,7 @@ executable based
     cborg,
     text-latin1,
     HTTP,
-    base64-bytestring
+    base64-bytestring,
+    regex-tdfa
   -- hs-source-dirs:
   default-language:    Haskell2010