diff --git a/nng-1.4.0.tar.gz b/nng-1.4.0.tar.gz
deleted file mode 100644
index a53350a32027fcbc9f99f1884cb0867196e716e5..0000000000000000000000000000000000000000
Binary files a/nng-1.4.0.tar.gz and /dev/null differ
diff --git a/nng-1.5.2.tar.gz b/nng-1.5.2.tar.gz
new file mode 100755
index 0000000000000000000000000000000000000000..78f04de73dd3bb32413dbedf9ac1c02b3868fbbd
Binary files /dev/null and b/nng-1.5.2.tar.gz differ
diff --git a/nng.spec b/nng.spec
index f7f053957a46360b8dc0173450d741d6180c4d82..08ac242eb69947b1173c5c11e19e7f78ffd6bca4 100644
--- a/nng.spec
+++ b/nng.spec
@@ -1,5 +1,5 @@
 Name:          nng
-Version:       1.4.0
+Version:       1.5.2
 Release:       1
 Summary:       nanomsg next generation: light-weight brokerless messaging
 License:       MIT
@@ -62,7 +62,11 @@ rm -rf %{buildroot}/%{_mandir}/man[3-7]*
 %files utils
 %{_bindir}/nngcat
 %{_mandir}/man1/nngcat.1.gz
+ %{_libdir}/libnng.so.1
 
 %changelog
+* Thu Dec 9 2021 StrongTiger_001 <StrongTiger_001@isrc.iscas.ac.cn> - 1.5.2-1
+- Update the package to 1.5.2
+
 * Fri Oct 8 2021 konglidong <konglidong@uniontech.com> - 1.4.0-1
-- package init
\ No newline at end of file
+- package init