diff --git a/.gitignore b/.gitignore
index f706c8c..5f8371c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,4 @@
 SOURCES/postgresql-13.7.tar.bz2
-SOURCES/postgresql-15.3-US.pdf
-SOURCES/postgresql-15.3.tar.bz2
+SOURCES/postgresql-15.5-US.pdf
+SOURCES/postgresql-15.5.tar.bz2
 SOURCES/postgresql-setup-8.8.tar.gz
diff --git a/.postgresql.metadata b/.postgresql.metadata
index 0adae81..87765bf 100644
--- a/.postgresql.metadata
+++ b/.postgresql.metadata
@@ -1,4 +1,4 @@
 cb4c0aed7cee21f3a1f4756fc61054d8ba756e2b SOURCES/postgresql-13.7.tar.bz2
-bf0a4b13f68f49673281ea6c706a619a9f2543cb SOURCES/postgresql-15.3-US.pdf
-a3888ef8f3a548a55b49429d9a076b19d5547899 SOURCES/postgresql-15.3.tar.bz2
+09a8705ab9589f63e1c661a2218ca58d916bbbc3 SOURCES/postgresql-15.5-US.pdf
+1688b684c181a3173a3f2b76a12e83c8371facc8 SOURCES/postgresql-15.5.tar.bz2
 c5aa3e8b728c67b294815931c91c86aa61932bb5 SOURCES/postgresql-setup-8.8.tar.gz
diff --git a/SOURCES/postgresql-15.3.tar.bz2.sha256 b/SOURCES/postgresql-15.3.tar.bz2.sha256
deleted file mode 100644
index 78eb7ad..0000000
--- a/SOURCES/postgresql-15.3.tar.bz2.sha256
+++ /dev/null
@@ -1 +0,0 @@
-ffc7d4891f00ffbf5c3f4eab7fbbced8460b8c0ee63c5a5167133b9e6599d932  postgresql-15.3.tar.bz2
diff --git a/SOURCES/postgresql-15.5.tar.bz2.sha256 b/SOURCES/postgresql-15.5.tar.bz2.sha256
new file mode 100644
index 0000000..f5f8afa
--- /dev/null
+++ b/SOURCES/postgresql-15.5.tar.bz2.sha256
@@ -0,0 +1 @@
+8f53aa95d78eb8e82536ea46b68187793b42bba3b4f65aa342f540b23c9b10a6  postgresql-15.5.tar.bz2
diff --git a/SPECS/postgresql.spec b/SPECS/postgresql.spec
index fc20bbf..96a651d 100644
--- a/SPECS/postgresql.spec
+++ b/SPECS/postgresql.spec
@@ -62,7 +62,7 @@
 Summary: PostgreSQL client programs
 Name: postgresql
 %global majorversion 15
-Version: %{majorversion}.3
+Version: %{majorversion}.5
 Release: 1%{?dist}
 
 # The PostgreSQL license is very similar to other MIT licenses, but the OSI
@@ -1226,6 +1226,11 @@ make -C postgresql-setup-%{setup_version} check
 
 
 %changelog
+* Mon Nov 13 2023 Masahiro Matsuya <mmatsuya@redhat.com> - 15.5-1
+- update to 15.5
+- Fixes CVE-2023-5868, CVE-2023-5869, CVE-2023-5870, CVE-2023-39417, and CVE-2023-39418
+  Resolves: RHEL-16100, RHEL-16124, RHEL-16139
+
 * Wed Jun 14 2023 Masahiro Matsuya <mmatsuya@redhat.com> - 15.3-1
 - update to 15.3
 - Fixes CVE-2023-2454 and CVE-2023-2455