diff --git a/libtommath.spec b/libtommath.spec
index f5b3327..bde0205 100644
--- a/libtommath.spec
+++ b/libtommath.spec
@@ -1,13 +1,13 @@
 Name:           libtommath
 Version:        1.1.0
-Release:        1
+Release:        2
 Summary:        A portable number theoretic multiple-precision integer library.
 License:        Public Domain
 URL:            http://www.libtom.net/
 
 Source0:        https://github.com/libtom/%{name}/archive/v%{version}.tar.gz#/%{name}-%{version}.tar.gz
 
-BuildRequires:  ghostscript libtiff-tools libtool git texlive-dvips-bin ghostscript-tools-dvipdf
+BuildRequires:  ghostscript libtiff libtool git texlive-dvips-bin ghostscript-tools-dvipdf
 BuildRequires:  texlive-latex-bin-bin texlive-makeindex-bin texlive-mfware-bin TeXamator git
 BuildRequires:  tex(cmr10.tfm) tex(fancyhdr.sty) tex(hyphen.tex) texlive-metafont-bin
 
@@ -67,6 +67,9 @@ find %{buildroot} -name '*.a' -delete
 %doc doc/bn.pdf doc/poster.pdf doc/tommath.pdf
 
 %changelog
+* Tue Jul 05 2022 herengui <herengui@uniontech.com> - 1.1.0-2
+- rebuild: libtiff won't provide libtiff-tools
+
 * Fri Aug 28 2020 zoulin <zoulin13@huawei.com> - 1.1.0-1
 - Update libtommath to 1.1.0