diff --git a/libpq.spec b/libpq.spec
index b3c70fedac3a62d14af43b8deebef38a7c385f5d..87f22ef375a824035222b4f70438cf0f7ce95cf1 100644
--- a/libpq.spec
+++ b/libpq.spec
@@ -1,5 +1,5 @@
 Name: libpq
-Version: 13.20
+Version: 13.21
 Release: 1
 Summary: PostgreSQL client library
 License: PostgreSQL
@@ -81,6 +81,9 @@ cat pg_config-13.lang >>libpq-devel.lst
 %_libdir/pkgconfig/libpq.pc
 
 %changelog
+* Fri May 09 2025 Funda Wang <fundawang@yeah.net> - 13.21-1
+- update to 13.21
+
 * Thu Feb 20 2025 Funda Wang <fundawang@yeah.net> - 13.20-1
 - update to 13.20 to fix CVE-2025-1094
 
diff --git a/postgresql-13.20.tar.bz2 b/postgresql-13.21.tar.bz2
similarity index 32%
rename from postgresql-13.20.tar.bz2
rename to postgresql-13.21.tar.bz2
index 7dc2653fc705449a3428d0038e0e4350e8fcf7a9..c4d042d64c17942ab95cd763a4a22ceed797e148 100644
--- a/postgresql-13.20.tar.bz2
+++ b/postgresql-13.21.tar.bz2
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:8134b685724d15e60d93bea206fbe0f14c8295e84f1cc91d5a3928163e4fb288
-size 21730844
+oid sha256:dcda1294df45f033b0656cf7a8e4afbbc624c25e1b144aec79530f74d7ef4ab4
+size 21759813