diff --git a/glibc.spec b/glibc.spec
index 06c7a7f..c1cc719 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -1,4 +1,4 @@
-%global glibcsrcdir glibc-2.40.9000-262-g43db5e2c06
+%global glibcsrcdir glibc-2.40.9000-263-gac73067cb7
 %global glibcversion 2.40.9000
 # Pre-release tarballs are pulled in from git using a command that is
 # effectively:
@@ -169,7 +169,7 @@ 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 9
+%global baserelease 10
 Release: %{baserelease}%{?dist}
 
 # Licenses:
@@ -2586,6 +2586,10 @@ update_gconv_modules_cache ()
 %endif
 
 %changelog
+* Fri Oct 25 2024 Florian Weimer <fweimer@redhat.com> - 2.40.9000-10
+- Auto-sync with upstream branch master,
+  commit ac73067cb7a328bf106ecd041c020fc61be7e087.
+
 * Fri Oct 25 2024 Florian Weimer <fweimer@redhat.com> - 2.40.9000-9
 - Auto-sync with upstream branch master,
   commit 43db5e2c0672cae7edea7c9685b22317eae25471:
diff --git a/sources b/sources
index 9e786ca..0b0eeba 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (glibc-2.40.9000-262-g43db5e2c06.tar.xz) = 84375c29fc59b9b2bc435ecc937ac8769e28e407ba0340a01149e11ea6546a39684668c9b59622533c2e8effdf38c1daae90896b7ea7e80aeee4c79a9f42f371
+SHA512 (glibc-2.40.9000-263-gac73067cb7.tar.xz) = ac6e9bab9711ea09bf5c9ea2f32df4b4d166be89825f7aaac24e4c862212d172ed7aba115937adc39c4fbc95ac93f7bdc95e3a27390fc3544be01f0a878b463c