diff --git a/libpq.spec b/libpq.spec
index bf9eb3634803f93c66c7d44fc04a0519fe8aabb6..88370dc06a047a7ee79ea2e9a6ccfa9f087a0bf6 100644
--- a/libpq.spec
+++ b/libpq.spec
@@ -1,5 +1,5 @@
 Name: libpq
-Version: 15.0
+Version: 15.3
 Release: 1
 Summary: PostgreSQL client library
 License: PostgreSQL
@@ -80,6 +80,9 @@ cat pg_config-15.lang >>libpq-devel.lst
 %_libdir/pkgconfig/libpq.pc
 
 %changelog
+* Tue Aug  8 2023 dillon chen<dillon.chen@gmail.com> - 15.3-1
+- upgrade libpq to 15.3
+
 * Tue Jun 27 2023 dillon chen<dillon.chen@gmail.com> - 15.0-1
 - upgrade libpq to 15.0
 
diff --git a/postgresql-15.0.tar.bz2 b/postgresql-15.3.tar.bz2
similarity index 69%
rename from postgresql-15.0.tar.bz2
rename to postgresql-15.3.tar.bz2
index 7d40c462adb8e14150463bbcb618cafabd3b0e71..7856f2b2bea3e8047846c384e89dd4bb2476bf1d 100644
Binary files a/postgresql-15.0.tar.bz2 and b/postgresql-15.3.tar.bz2 differ