diff --git a/glibc.spec b/glibc.spec
index fe83192..70f93bf 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -1,4 +1,4 @@
-%global glibcsrcdir glibc-2.38.9000-522-g486452affb
+%global glibcsrcdir glibc-2.38.9000-525-gae49a7b29a
 %global glibcversion 2.38.9000
 # 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 36
+%global baserelease 37
 Release: %{baserelease}%{?dist}
 
 # In general, GPLv2+ is used by programs, LGPLv2+ is used for
@@ -2218,6 +2218,13 @@ update_gconv_modules_cache ()
 %files -f compat-libpthread-nonshared.filelist -n compat-libpthread-nonshared
 
 %changelog
+* Mon Jan 29 2024 Arjun Shankar <arjun@redhat.com> - 2.38.9000-37
+- Auto-sync with upstream branch master,
+  commit ae49a7b29acc184b03c2a6bd6ac01b5e08efd54f:
+- Relicense IBM portions of resolv/base64.c resolv/res_debug.c.
+- localedata: Use consistent values for grouping and mon_grouping
+- manual: fix order of arguments of memalign and aligned_alloc (Bug 27547)
+
 * Thu Jan 25 2024 Jens Petersen <petersen@redhat.com> - 2.38.9000-36
 - no longer supplement langpacks if all-langpacks installed
 
diff --git a/sources b/sources
index abf46e9..5c077e4 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (glibc-2.38.9000-522-g486452affb.tar.xz) = d9d5ccd1203d5b4706a652c8db3e4c9ea3cd77cef7e5be90b858e38f92832a05340b22c5dd6b98751452fab565eeb66c80d296db5103f735c10af16aa765452a
+SHA512 (glibc-2.38.9000-525-gae49a7b29a.tar.xz) = 4b4adc0dbef31a612cf09248f293a182d71ea119a6e9f0bd15c6d45726b0ffa215221aa4d87dbb331190adb237b1e75eddbab8193b5f2066442dfb5bed12d7c6