diff --git a/glibc.spec b/glibc.spec
index 34f481e..6935d99 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -1,4 +1,4 @@
-%global glibcsrcdir glibc-2.36.9000-323-gf704192911
+%global glibcsrcdir glibc-2.36.9000-340-g8fb923ddc3
 %global glibcversion 2.36.9000
 # Pre-release tarballs are pulled in from git using a command that is
 # effectively:
@@ -159,7 +159,7 @@ Version: %{glibcversion}
 # - It allows using the Release number without the %%dist tag in the dependency
 #   generator to make the generated requires interchangeable between Rawhide
 #   and ELN (.elnYY < .fcXX).
-%global baserelease 15
+%global baserelease 16
 Release: %{baserelease}%{?dist}
 
 # In general, GPLv2+ is used by programs, LGPLv2+ is used for
@@ -2193,6 +2193,27 @@ update_gconv_modules_cache ()
 %files -f compat-libpthread-nonshared.filelist -n compat-libpthread-nonshared
 
 %changelog
+* Mon Dec 05 2022 Arjun Shankar <arjun@redhat.com> - 2.36.9000-16
+- Auto-sync with upstream branch master,
+  commit 8fb923ddc38dd5f4bfac4869d70fd80483fdb87a:
+- hurd: Make getrandom cache the server port
+- powerpc64: Remove old strncmp optimization
+- x86-64 strncpy: Properly handle the length parameter [BZ# 29839]
+- x86-64 strncat: Properly handle the length parameter [BZ# 24097]
+- ARC: update definitions in elf/elf.h
+- scripts: Add "|" operator support to glibcpp's parsing
+- Apply asm redirections in syslog.h before first use [BZ #27087]
+- LoongArch: Add support for ilogb[f]
+- LoongArch: Add support for scalb[f]
+- LoongArch: Add support for scalbn[f]
+- LoongArch: Use __builtin_logb{,f} with GCC >= 13
+- Use GCC builtins for logb functions if desired.
+- LoongArch: Use __builtin_llrint{,f} with GCC >= 13
+- Use GCC builtins for llrint functions if desired.
+- LoongArch: Use __builtin_lrint{,f} with GCC >= 13
+- Use GCC builtins for lrint functions if desired.
+- LoongArch: Use __builtin_rint{,f} with GCC >= 13
+
 * Mon Nov 28 2022 Florian Weimer <fweimer@redhat.com> - 2.36.9000-15
 - Auto-sync with upstream branch master,
   commit f704192911c6c7b65a54beab3ab369fca7609a5d:
diff --git a/sources b/sources
index 06bfdce..4411ab7 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (glibc-2.36.9000-323-gf704192911.tar.xz) = 58ed83e14d76d49147f8ea8ca416a1b4733c8738774f75d8bb2e4e209efa3c2c2ca989dd48915350e33e06d79ed04fc5a7fdc925e56d398f954145dfeeef6b85
+SHA512 (glibc-2.36.9000-340-g8fb923ddc3.tar.xz) = 2b9859173e1131020fc610ed6c98cc4e357ef7619c6ae6c4697ae08991e4dc5ed62ca2eda6f3358cf6f93ab2c77f16693a1323294e90a6ffb58f150ccc5e0a07