diff --git a/attoparsec-time.cabal b/attoparsec-time.cabal
--- a/attoparsec-time.cabal
+++ b/attoparsec-time.cabal
@@ -1,7 +1,7 @@
 name:
   attoparsec-time
 version:
-  0.1.3.1
+  0.1.3.2
 synopsis:
   Attoparsec parsers of time
 description:
@@ -54,7 +54,8 @@
     scientific == 0.3.*,
     text >= 1 && < 2,
     --
-    base-prelude < 2
+    base-prelude < 2,
+    base >= 4.7 && < 5
 
 test-suite doctest
   type: