diff --git a/libsigc++-2.10.4.tar.xz b/libsigc++-2.10.4.tar.xz
deleted file mode 100644
index 682e189..0000000
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diff --git a/libsigc++-2.10.6.tar.xz b/libsigc++-2.10.6.tar.xz
new file mode 100644
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diff --git a/libsigc++20.spec b/libsigc++20.spec
index 83a261d..e403e7a 100644
--- a/libsigc++20.spec
+++ b/libsigc++20.spec
@@ -1,5 +1,5 @@
 Name:           libsigc++20
-Version:        2.10.4
+Version:        2.10.6
 Release:        1
 Summary:        Typesafe signal framework for C++
 License:        LGPLv2+
@@ -75,6 +75,9 @@ This package contains the full API documentation for %{name}.
 
 
 %changelog
+* Fri Jun 18 2021 weijin deng <weijin.deng@turbolinux.com.cn> - 2.10.6-1
+- Upgrade to 2.10.6
+
 * Wed Nov 25 2020 lingsheng <lingsheng@huawei.com> - 2.10.4-1
 - Update to 2.10.4