diff --git a/glibc.spec b/glibc.spec
index 73c7e1e..86b7417 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -1,4 +1,4 @@
-%define glibcsrcdir glibc-2.34.9000-212-ge037274c8e
+%define glibcsrcdir glibc-2.34.9000-246-g79d0fc6539
 %define glibcversion 2.34.9000
 # Pre-release tarballs are pulled in from git using a command that is
 # effectively:
@@ -151,7 +151,7 @@ end \
 Summary: The GNU libc libraries
 Name: glibc
 Version: %{glibcversion}
-Release: 15%{?dist}
+Release: 16%{?dist}
 
 # In general, GPLv2+ is used by programs, LGPLv2+ is used for
 # libraries.
@@ -2260,6 +2260,44 @@ fi
 %files -f compat-libpthread-nonshared.filelist -n compat-libpthread-nonshared
 
 %changelog
+* Fri Oct 29 2021 DJ Delorie <dj@redhat.com> - 2.34.9000-16
+- Auto-sync with upstream branch master,
+  commit 79d0fc65395716c1d95931064c7bf37852203c66.
+- benchtests: Add acosf function to bench-math
+- benchtests: Improve bench-memcpy-random
+- Disable -Waggressive-loop-optimizations warnings in tst-dynarray.c
+- Fix compiler issue with mmap_internal
+- Check if linker also support -mtls-dialect=gnu2
+- Fix LIBC_PROG_BINUTILS for -fuse-ld=lld
+- elf: Disable ifuncmain{1,5,5pic,5pie} when using LLD
+- Handle NULL input to malloc_usable_size [BZ #28506]
+- x86_64: Add memcmpeq.S to fix disable-multi-arch build
+- login: Add back libutil as an empty library
+- riscv: Fix incorrect jal with HIDDEN_JUMPTARGET
+- x86_64: Add evex optimized __memcmpeq in memcmpeq-evex.S
+- x86_64: Add avx2 optimized __memcmpeq in memcmpeq-avx2.S
+- x86_64: Add sse2 optimized __memcmpeq in memcmp-sse2.S
+- x86_64: Add support for __memcmpeq using sse2, avx2, and evex
+- Benchtests: Add benchtests for __memcmpeq
+- String: Add __memcmpeq as build target
+- NEWS: Add item for __memcmpeq
+- String: Add tests for __memcmpeq
+- String: Add hidden defs for __memcmpeq() to enable internal usage
+- String: Add support for __memcmpeq() ABI on all targets
+- configure: Don't check LD -v --help for LIBC_LINKER_FEATURE
+- elf: Make global.out depend on reldepmod4.so [BZ #28457]
+- x86: Replace sse2 instructions with avx in memcmp-evex-movbe.S
+- bench-math: Sort and put each bench per line
+- x86_64: Add missing libmvec ABI tests
+- elf: Fix e6fd79f379 build with --enable-tunables=no
+- elf: Fix slow DSO sorting behavior in dynamic loader (BZ #17645)
+- elf: Testing infrastructure for ld.so DSO sorting (BZ #17645)
+- iconv: Use TIMEOUTFACTOR for iconv test timeout
+- posix: Remove alloca usage for internal fnmatch implementation
+- Add alloc_align attribute to memalign et al
+- linux: Fix a possibly non-constant expression in _Static_assert
+- x86-64: Add sysdeps/x86_64/fpu/Makeconfig
+
 * Wed Oct 20 2021 Carlos O'Donell <carlos@redhat.com> - 2.34.9000-15
 - Remove glibc-ld-readonly-revert.patch.
 - Auto-sync with upstream branch master,
diff --git a/sources b/sources
index 956c179..2c6a823 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (glibc-2.34.9000-212-ge037274c8e.tar.xz) = 82711ba512c5bdef272a29a8ab406679801050b5eb3feb305ad54de3c758d7a26867ab757f2ecab48b40a095bdc2d275c2c18a37b85326ac9a0f71c51b3e35b0
+SHA512 (glibc-2.34.9000-246-g79d0fc6539.tar.xz) = aff5db5a461c61c4f779a027cd114c31591fa1a105269baa92eef28c87ad4514fcac6903c645360b29114e20cd1e91232c112cce750348ec0c7bda6c28f66a31