diff --git a/tix.spec b/tix.spec
index 9650712..2ef97c1 100644
--- a/tix.spec
+++ b/tix.spec
@@ -5,7 +5,7 @@ Summary: A set of extension widgets for Tk
 Name: tix
 Epoch: 1
 Version: %{tixmajor}.0
-Release: 9
+Release: 10
 License: BSD
 Group: Development/Languages
 URL: http://tix.sourceforge.net/
@@ -15,7 +15,7 @@ Patch1: tix-%{version}-soname.patch
 BuildRoot: %{_tmppath}/%{name}-%{version}-root
 Requires: tcl >= %{tcltkver}, tk >= %{tcltkver}
 Buildrequires: tcl-devel >= %{tcltkver}, tk-devel >= %{tcltkver}
-BuildRequires: libX11-devel
+BuildRequires: libX11-devel, autoconf
 
 %description
 Tix, the Tk Interface eXtension, is a powerful set of user interface
@@ -126,6 +126,9 @@ rm -rf $RPM_BUILD_ROOT
 %doc docs/*
 
 %changelog
+* Wed Jun 28 2006 David Cantrell <dcantrell@redhat.com> - 1:8.4.0-10
+- Added missing BuildRequires for autoconf (#197117)
+
 * Mon May 15 2006 David Cantrell <dcantrell@redhat.com> - 1:8.4.0-9
 - BuildRequires libX11-devel