diff --git a/generic-release.spec b/generic-release.spec
index e482f3cc0aaeafba76336c48a5ce84bd2eb934f5..2911512c5d36f41e9686fb063bc8244bb0412bd1 100644
--- a/generic-release.spec
+++ b/generic-release.spec
@@ -6,7 +6,7 @@
 %define generic_version 20.03
 %define generic_patch_level LTS
 %define generic_patch_level_extend SP3
-%define generic_release 44
+%define generic_release 45
 %define builtin_release_version 1.0
 
 %define current_arch %{_arch}
@@ -35,7 +35,7 @@ Source7:        dot-tcshrc
 Source8:        dot-cshrc
 
 BuildRequires:	python
-Requires:       %{product_family}-repos bc
+Requires:       %{product_family}-repos
 Obsoletes: 	yum-utils yum-utils-help yum-utils-plugins
 
 %description
@@ -170,6 +170,9 @@ rm -rf $RPM_BUILD_ROOT
 %config(noreplace) /root/.cshrc
 
 %changelog
+* Mon Nov 22 2021 miao_kaibo <miaokaibo@outlook.com> - 1.0-45
+- delete dependency bc 
+
 * Tue Nov 16 2021 wangchong <wangchong56@huawei.com> - 1.0-44
 - change to SP3 and add generic_patch_level_extend