diff --git a/cab.cabal b/cab.cabal
--- a/cab.cabal
+++ b/cab.cabal
@@ -1,5 +1,5 @@
 Name:                   cab
-Version:                0.2.13
+Version:                0.2.14
 Author:                 Kazu Yamamoto <kazu@iij.ad.jp>
 Maintainer:             Kazu Yamamoto <kazu@iij.ad.jp>
 License:                BSD3
@@ -21,7 +21,7 @@
   Default-Language:     Haskell2010
   GHC-Options:          -Wall
   Build-Depends:        base >= 4.0 && < 5
-                      , Cabal >= 1.18
+                      , Cabal >= 1.18 && < 1.21
                       , attoparsec >= 0.10
                       , bytestring
                       , conduit >= 1.1