diff --git a/tpm2-tools.spec b/tpm2-tools.spec
index 77a7eb2..c781e55 100644
--- a/tpm2-tools.spec
+++ b/tpm2-tools.spec
@@ -1,6 +1,6 @@
 Name: tpm2-tools
 Version: 1.1.0 
-Release: 8%{?dist}
+Release: 9%{?dist}
 Summary: A TPM2.0 testing tool build upon TPM2.0-TSS
 
 %global pkg_prefix tpm2.0-tools
@@ -48,6 +48,9 @@ tpm2-tools is a batch of testing tools for tpm2.0. It is based on tpm2-tss.
 %{_sbindir}/tpm2_*
 
 %changelog
+* Fri Jul 28 2017 Sun Yunying <yunying.sun@intel.com> - 1.1.0-9
+- Update Requires dependency so that tpm2-tss update won't break tpm2-tools
+
 * Thu Jul 27 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.0-8
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild