diff --git a/glibc.spec b/glibc.spec
index a627751..545b7e4 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -1,4 +1,4 @@
-%global glibcsrcdir glibc-2.39.9000-160-g42e48e720c
+%global glibcsrcdir glibc-2.39.9000-167-g14e56bd4ce
 %global glibcversion 2.39.9000
 # Pre-release tarballs are pulled in from git using a command that is
 # effectively:
@@ -171,7 +171,7 @@ 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 11
+%global baserelease 12
 Release: %{baserelease}%{?dist}
 
 # Licenses:
@@ -2457,6 +2457,17 @@ update_gconv_modules_cache ()
 %endif
 
 %changelog
+* Sun Apr 14 2024 Florian Weimer <fweimer@redhat.com> - 2.39.9000-12
+- Auto-sync with upstream branch master,
+  commit 14e56bd4ce15ac2d1cc43f762eb2e6b83fec1afe:
+- powerpc: Fix ld.so address determination for PCREL mode (bug 31640)
+- Revert "x86_64: Suppress false positive valgrind error"
+- wcsmbs: Ensure wcstr worst-case linear execution time (BZ 23865)
+- wcsmbs: Add test-wcsstr
+- posix: Sync tempname with gnulib
+- socket: Add new test for connect
+- libsupport: Add xgetpeername
+
 * Tue Apr 09 2024 Patsy Griffin <patsy@redhat.com> - 2.39.9000-11
 - Auto-sync with upstream branch master,
   commit 42e48e720c78ab75eb8def9e866da52b0ac278df.
diff --git a/sources b/sources
index f722609..43958e3 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (glibc-2.39.9000-160-g42e48e720c.tar.xz) = 41d5ea916774d9f3d1370468c4e3ae5ab32ad794c3906d1645dc0dec984ba93fa6b28653d49cc881712f3810710b51494908dacfdff145fb4afc5f552b0e1244
+SHA512 (glibc-2.39.9000-167-g14e56bd4ce.tar.xz) = 9f6d2d99e9ceff8f147b2f9f009bd5d66ac031352ede56f692660c668d1b719f48c53c826158e2e19bb3fc913f2a376081bdde70a9365226645546c9d863ac07