diff --git a/glibc.spec b/glibc.spec
index 0a7a076..b542eb2 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -1,4 +1,4 @@
-%global glibcsrcdir glibc-2.37-17-g7c32cb7dd8
+%global glibcsrcdir glibc-2.37-37-g1a7cbe52c8
 %global glibcversion 2.37
 # 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 4
+%global baserelease 5
 Release: %{baserelease}%{?dist}
 
 # In general, GPLv2+ is used by programs, LGPLv2+ is used for
@@ -2195,6 +2195,25 @@ update_gconv_modules_cache ()
 %files -f compat-libpthread-nonshared.filelist -n compat-libpthread-nonshared
 
 %changelog
+* Mon Sep 11 2023 Florian Weimer <fweimer@redhat.com> - 2.37-5
+- Auto-sync with upstream branch release/2.37/master,
+  commit 1a7cbe52c8955beae477cf9c6d88f4bc04f626c1:
+- elf: Move l_init_called_next to old place of l_text_end in link map
+- elf: Remove unused l_text_end field from struct link_map
+- elf: Always call destructors in reverse constructor order (bug 30785)
+- elf: Do not run constructors for proxy objects
+- io: Fix record locking contants for powerpc64 with __USE_FILE_OFFSET64
+- x86: Fix incorrect scope of setting `shared_per_thread` [BZ# 30745]
+- x86: Use `3/4*sizeof(per-thread-L3)` as low bound for NT threshold.
+- x86: Fix slight bug in `shared_per_thread` cache size calculation.
+- x86: Increase `non_temporal_threshold` to roughly `sizeof_L3 / 4`
+- elf: _dl_find_object may return 1 during early startup (bug 30515)
+- realloc: Limit chunk reuse to only growing requests [BZ #30579]
+- io: Fix F_GETLK, F_SETLK, and F_SETLKW for powerpc64
+- io: Fix record locking contants on 32 bit arch with 64 bit default time_t (BZ#30477)
+- __check_pf: Add a cancellation cleanup handler [BZ #20975]
+- Ignore MAP_VARIABLE in tst-mman-consts.py
+
 * Fri Apr 28 2023 Florian Weimer <fweimer@redhat.com> - 2.37-4
 - Auto-sync with upstream branch release/2.37/master,
   commit 7c32cb7dd88cf100b0b412163896e30aa2ee671a:
diff --git a/sources b/sources
index 2d422e5..fd6a483 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (glibc-2.37-17-g7c32cb7dd8.tar.xz) = c10925136030b322b09f7ae1e45cd9f41a0a8d2f40f6daceb95100b9a3c53fb6c1af1fd83fe884b241b6ec5bb25c36ec642a3fd3f13533ee083875e2a5b119fc
+SHA512 (glibc-2.37-37-g1a7cbe52c8.tar.xz) = 4d6a5f380bff9fab4882fddc8d0074f159a53e4f482badd34978e4bdbda37a39895a309e582253881c4a6f52b8a5197f175670ca2e38d698029c73fc10aef013