diff --git a/base/bison/bison.desc b/base/bison/bison.desc
index c53a2701c..3ea7b170d 100644
--- a/base/bison/bison.desc
+++ b/base/bison/bison.desc
@@ -39,8 +39,8 @@
 
 [L] GPL
 [S] Stable
-[V] 2.6.2
+[V] 2.6.4
 [P] X 01-3-----9 109.400
 
-[D] 2052392372 bison-2.6.2.tar.gz ftp://ftp.gnu.org/pub/gnu/bison/
+[D] 1694483601 bison-2.6.4.tar.gz ftp://ftp.gnu.org/pub/gnu/bison/