diff --git a/postgresql-16.2.tar.bz2 b/postgresql-16.2.tar.bz2
deleted file mode 100644
index 73e12b5..0000000
--- a/postgresql-16.2.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:446e88294dbc2c9085ab4b7061a646fa604b4bec03521d5ea671c2e5ad9b2952
-size 24711703
diff --git a/postgresql-16.2.tar.bz2.sha256 b/postgresql-16.2.tar.bz2.sha256
deleted file mode 100644
index b05db77..0000000
--- a/postgresql-16.2.tar.bz2.sha256
+++ /dev/null
@@ -1 +0,0 @@
-446e88294dbc2c9085ab4b7061a646fa604b4bec03521d5ea671c2e5ad9b2952  postgresql-16.2.tar.bz2
diff --git a/postgresql-16.3.tar.bz2 b/postgresql-16.3.tar.bz2
new file mode 100644
index 0000000..6aef66a
--- /dev/null
+++ b/postgresql-16.3.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:331963d5d3dc4caf4216a049fa40b66d6bcb8c730615859411b9518764e60585
+size 24737644
diff --git a/postgresql-16.3.tar.bz2.sha256 b/postgresql-16.3.tar.bz2.sha256
new file mode 100644
index 0000000..318f3a6
--- /dev/null
+++ b/postgresql-16.3.tar.bz2.sha256
@@ -0,0 +1 @@
+331963d5d3dc4caf4216a049fa40b66d6bcb8c730615859411b9518764e60585  postgresql-16.3.tar.bz2
diff --git a/postgresql16.changes b/postgresql16.changes
index 93dbbbd..52ced90 100644
--- a/postgresql16.changes
+++ b/postgresql16.changes
@@ -1,3 +1,16 @@
+-------------------------------------------------------------------
+Wed May  8 08:28:48 UTC 2024 - Reinhard Max <max@suse.com>
+
+- Upgrade to 16.3 (bsc#1224051):
+  * bsc#1224038, CVE-2024-4317: Restrict visibility of pg_stats_ext
+    and pg_stats_ext_exprs entries to the table owner. See the
+    release notes for the steps that have to be taken to fix
+    existing PostgreSQL instances.
+  * Fix incompatibility with LLVM 18.
+  * https://www.postgresql.org/docs/release/16.3/
+- Prepare for PostgreSQL 17.
+- Make sure all compilation and doc generation happens in %build.
+
 -------------------------------------------------------------------
 Tue Mar 12 22:48:41 UTC 2024 - Aaron Puchert <aaronpuchert@alice-dsl.net>
 
diff --git a/postgresql16.spec b/postgresql16.spec
index 44125c5..e3a5de1 100644
--- a/postgresql16.spec
+++ b/postgresql16.spec
@@ -16,11 +16,11 @@
 #
 
 
-%define pgversion 16.2
+%define pgversion 16.3
 %define pgmajor 16
 %define buildlibs 1
 %define tarversion %{pgversion}
-%define latest_supported_llvm_ver 17
+%define latest_supported_llvm_ver 18
 
 ### CUT HERE ###
 %define pgname postgresql%pgmajor
@@ -59,6 +59,12 @@ Name:           %pgname
 %define python python
 %endif
 
+%if %pgmajor >= 17
+%bcond_with dreived
+%else
+%bcond_without derived
+%endif
+
 %if 0%{?suse_version} >= 1500
 %bcond_without liblz4
 %endif
@@ -88,6 +94,12 @@ BuildRequires:  zlib-devel
 %if %{with liblz4}
 BuildRequires:  pkgconfig(liblz4)
 %endif
+%if %{without derived}
+BuildRequires:  bison
+BuildRequires:  docbook-xsl-stylesheets
+BuildRequires:  flex
+BuildRequires:  perl
+%endif
 
 %if %{with libzstd}
 BuildRequires:  pkgconfig(libzstd)
@@ -573,7 +585,7 @@ PACKAGE_TARNAME=%pgname %configure \
 %if %mini
 make -C src/interfaces %{?_smp_mflags} PACKAGE_TARNAME=%pgname
 %else
-make %{?_smp_mflags} PACKAGE_TARNAME=%pgname
+make %{?_smp_mflags} PACKAGE_TARNAME=%pgname world
 
 %if %{with check}
 
@@ -641,9 +653,9 @@ find %buildroot -type f -cnewer flag -printf "/%%P\n" |
      > contrib.files
 rm flag
 install -d -m 750 %buildroot/var/lib/pgsql
-install -d -m755 %buildroot%pgdocdir
+install -d -m 755 %buildroot%pgdocdir
 cp doc/KNOWN_BUGS doc/MISSING_FEATURES COPYRIGHT \
-   README HISTORY  %buildroot%pgdocdir
+   README* HISTORY  %buildroot%pgdocdir
 # Use versioned names for the man pages:
 for f in %buildroot%pgmandir/man*/*; do
         mv $f ${f}pg%pgmajor
@@ -701,6 +713,7 @@ genlists main \
 	pg_receivewal \
 	pg_verify_checksums \
 	pg_checksums \
+	pg_combinebackup \
 	pg_verifybackup
 
 %find_lang plpgsql-$VLANG main.files
@@ -711,6 +724,8 @@ genlists server \
 	pg_ctl \
 	pg_controldata \
 	pg_resetwal \
+	pg_createsubscriber \
+	pg_walsummary \
 	pg_waldump \
 	pg_resetxlog \
 %if %pgmajor >= 15
@@ -924,7 +939,6 @@ fi
 
 %files llvmjit-devel
 %defattr(-,root,root)
-%doc README
 
 %files pltcl -f pltcl.lang
 %defattr(-,root,root)