diff --git a/srcpkgs/flex/template b/srcpkgs/flex/template
index cb946771e78..3ba2d74379e 100644
--- a/srcpkgs/flex/template
+++ b/srcpkgs/flex/template
@@ -25,3 +25,4 @@ Add_dependency full glibc
 Add_dependency full bison
 Add_dependency full m4
 Add_dependency build gettext
+Add_dependency build texinfo