diff --git a/.gitignore b/.gitignore
index 36b672f..3c49177 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-SOURCES/postgresql-13.5.tar.bz2
+SOURCES/postgresql-13.11.tar.bz2
diff --git a/.libpq.metadata b/.libpq.metadata
index e3a72b0..03eb622 100644
--- a/.libpq.metadata
+++ b/.libpq.metadata
@@ -1 +1 @@
-9321e2b01d1ffb15adae06945cb2c5f9dd671bc9 SOURCES/postgresql-13.5.tar.bz2
+501acb24ba8539c08ba12b08adecd7559bf87e1b SOURCES/postgresql-13.11.tar.bz2
diff --git a/SOURCES/postgresql-13.11.tar.bz2.sha256 b/SOURCES/postgresql-13.11.tar.bz2.sha256
new file mode 100644
index 0000000..c5f9baf
--- /dev/null
+++ b/SOURCES/postgresql-13.11.tar.bz2.sha256
@@ -0,0 +1 @@
+4992ff647203566b670d4e54dc5317499a26856c93576d0ea951bdf6bee50bfb  postgresql-13.11.tar.bz2
diff --git a/SOURCES/postgresql-13.5.tar.bz2.sha256 b/SOURCES/postgresql-13.5.tar.bz2.sha256
deleted file mode 100644
index 834e50e..0000000
--- a/SOURCES/postgresql-13.5.tar.bz2.sha256
+++ /dev/null
@@ -1 +0,0 @@
-9b81067a55edbaabc418aacef457dd8477642827499560b00615a6ea6c13f6b3  postgresql-13.5.tar.bz2
diff --git a/SPECS/libpq.spec b/SPECS/libpq.spec
index 12ca08f..419e8fb 100644
--- a/SPECS/libpq.spec
+++ b/SPECS/libpq.spec
@@ -3,7 +3,7 @@
 
 Summary: PostgreSQL client library
 Name: libpq
-Version: %{majorversion}.5
+Version: %{majorversion}.11
 Release: 1%{?dist}
 
 License: PostgreSQL
@@ -130,6 +130,10 @@ find_lang_bins %name-devel.lst  pg_config
 
 
 %changelog
+* Wed Jun 21 2023 Masahiro Matsuya <mmatsuya@redhat.com> - 13.11-1
+- Rebase to 13.11
+  Resolves: #2171369
+
 * Mon Nov 29 2021 Marek Kulik <mkulik@redhat.com> - 13.5-1
 - Rebase to 13.5
   Resolves: #2023294