diff --git a/postgresql-14.8.tar.bz2.sha256 b/postgresql-14.8.tar.bz2.sha256
deleted file mode 100644
index 7836009..0000000
--- a/postgresql-14.8.tar.bz2.sha256
+++ /dev/null
@@ -1 +0,0 @@
-39d38f0030737ed03835debeefee3b37d335462ce4995e2497bc38d621ebe45a  postgresql-14.8.tar.bz2
diff --git a/postgresql-14.8.tar.bz2 b/postgresql-14.9.tar.bz2
similarity index 69%
rename from postgresql-14.8.tar.bz2
rename to postgresql-14.9.tar.bz2
index 684dbc6..6bc2f8d 100644
Binary files a/postgresql-14.8.tar.bz2 and b/postgresql-14.9.tar.bz2 differ
diff --git a/postgresql-14.9.tar.bz2.sha256 b/postgresql-14.9.tar.bz2.sha256
new file mode 100644
index 0000000..28aa965
--- /dev/null
+++ b/postgresql-14.9.tar.bz2.sha256
@@ -0,0 +1 @@
+b1fe3ba9b1a7f3a9637dd1656dfdad2889016073fd4d35f13b50143cbbb6a8ef  postgresql-14.9.tar.bz2
diff --git a/postgresql-15.3.tar.bz2.sha256 b/postgresql-15.3.tar.bz2.sha256
deleted file mode 100644
index 78eb7ad..0000000
--- a/postgresql-15.3.tar.bz2.sha256
+++ /dev/null
@@ -1 +0,0 @@
-ffc7d4891f00ffbf5c3f4eab7fbbced8460b8c0ee63c5a5167133b9e6599d932  postgresql-15.3.tar.bz2
diff --git a/postgresql-15.3-US.pdf b/postgresql-15.4-US.pdf
similarity index 86%
rename from postgresql-15.3-US.pdf
rename to postgresql-15.4-US.pdf
index 66d0c14..4d1b817 100644
Binary files a/postgresql-15.3-US.pdf and b/postgresql-15.4-US.pdf differ
diff --git a/postgresql-15.3.tar.bz2 b/postgresql-15.4.tar.bz2
similarity index 69%
rename from postgresql-15.3.tar.bz2
rename to postgresql-15.4.tar.bz2
index 7856f2b..8ef833a 100644
Binary files a/postgresql-15.3.tar.bz2 and b/postgresql-15.4.tar.bz2 differ
diff --git a/postgresql-15.4.tar.bz2.sha256 b/postgresql-15.4.tar.bz2.sha256
new file mode 100644
index 0000000..e06c872
--- /dev/null
+++ b/postgresql-15.4.tar.bz2.sha256
@@ -0,0 +1 @@
+baec5a4bdc4437336653b6cb5d9ed89be5bd5c0c58b94e0becee0a999e63c8f9  postgresql-15.4.tar.bz2
diff --git a/postgresql.spec b/postgresql.spec
index 359338e..41859d6 100644
--- a/postgresql.spec
+++ b/postgresql.spec
@@ -31,7 +31,7 @@
 Summary: PostgreSQL client programs
 Name: postgresql
 %global majorversion 15
-Version: %{majorversion}.3
+Version: %{majorversion}.4
 Release: 1
 
 # The PostgreSQL license is very similar to other MIT licenses, but the OSI
@@ -40,7 +40,7 @@ License: PostgreSQL
 Url: http://www.postgresql.org/
 
 %global prevmajorversion 14
-%global prevversion %{prevmajorversion}.8
+%global prevversion %{prevmajorversion}.9
 %global prev_prefix %{_libdir}/pgsql/postgresql-%{prevmajorversion}
 %global precise_version %{?epoch:%epoch:}%version-%release
 
@@ -367,18 +367,18 @@ goal of accelerating analytics queries.
 %endif
 )
 %setup -q -a 12 -n postgresql-%{version}
-%patch1 -p1
-%patch2 -p1
-%patch5 -p1
-%patch6 -p1
+%patch -P 1 -p1
+%patch -P 2 -p1
+%patch -P 5 -p1
+%patch -P 6 -p1
 %if %external_libpq
-%patch8 -p1
+%patch -P 8 -p1
 %else
-%patch10 -p1
+%patch -P 10 -p1
 %endif
-%patch9 -p1
-%patch11 -p1
-%patch16 -p1
+%patch -P 9 -p1
+%patch -P 11 -p1
+%patch -P 16 -p1
 
 # We used to run autoconf here, but there's no longer any real need to,
 # since Postgres ships with a reasonably modern configure script.
@@ -1297,6 +1297,9 @@ make -C postgresql-setup-%{setup_version} check
 
 
 %changelog
+* Fri Aug 11 2023 Funda Wang <fundawang@yeah.net> - 15.4-1
+- update to 15.4
+
 * Tue Aug  8 2023 dillon chen <dillon.chen@gmail.com> - 15.3-1
 - update to 15.3