diff --git a/dovecot.spec b/dovecot.spec
index 4ce79ea..ed953a5 100644
--- a/dovecot.spec
+++ b/dovecot.spec
@@ -54,7 +54,6 @@ BuildRequires: libtool
 BuildRequires: autoconf
 BuildRequires: automake
 BuildRequires: krb5-devel
-BuildRequires: byacc, bison, flex
 # gettext-devel is needed for running autoconf because of the
 # presence of AM_ICONV
 BuildRequires: gettext-devel
diff --git a/sources b/sources
index a92170f..764afc2 100644
--- a/sources
+++ b/sources
@@ -1,3 +1,3 @@
 e952297f75ab3d042d896eb1e5c52463  dovecot-1.1.alpha1.tar.gz
 79a860a7f9aed0812c33708836d548a4  dovecot-1.1.alpha1.tar.gz.sig
-a902cf2490fc898a4dd911932ddc3685  dovecot-sieve-1.1-131e25f6862b.tar.gz
+40d17cbfb5f5a3ad332e012051db3418  dovecot-sieve-1.1-131e25f6862b.tar.gz