diff --git a/pkgs/development/libraries/xapian/default.nix b/pkgs/development/libraries/xapian/default.nix
index 5bc347cbaddb..e07e3b2e7046 100644
--- a/pkgs/development/libraries/xapian/default.nix
+++ b/pkgs/development/libraries/xapian/default.nix
@@ -36,5 +36,5 @@ let
 in {
   # xapian-ruby needs 1.2.22 as of 2017-05-06
   xapian_1_2_22 = generic "1.2.22" "0zsji22n0s7cdnbgj0kpil05a6bgm5cfv0mvx12d8ydg7z58g6r6";
-  xapian_1_4 = generic "1.4.6" "166qpfq7pvyrj2w2x07v31ypvqg6c2xyvds5sms9h4g2sg0z23hy";
+  xapian_1_4 = generic "1.4.7" "1lxmlds3v5s1gng9nk1rvmln1zcksrw5ds509y0glylwch5qmw0k";
 }