--- Agda-2.4.2.5/Agda.cabal~	2015-12-19 06:29:26.000000000 +0900
+++ Agda-2.4.2.5/Agda.cabal	2016-10-06 11:12:49.315141342 +0900
@@ -67,7 +67,7 @@
   include-dirs:     src/full
 
   if flag(cpphs)
-    build-tools: cpphs >= 1.19 && < 1.20
+    build-tools: cpphs >= 1.19 && < 1.21
     ghc-options: -pgmP cpphs -optP --cpp
 
   if os(windows)