diff --git a/binary-parser.cabal b/binary-parser.cabal
--- a/binary-parser.cabal
+++ b/binary-parser.cabal
@@ -1,7 +1,7 @@
 name:
   binary-parser
 version:
-  0.5.1
+  0.5.2
 synopsis:
   A highly-efficient but limited parser API specialised for bytestrings
 category:
@@ -51,5 +51,5 @@
     text >= 1 && < 2,
     -- general:
     transformers >= 0.3 && < 0.6,
-    base-prelude >= 0.1.19 && < 0.2
+    base-prelude < 2