diff --git a/glibc.spec b/glibc.spec
index 7f658a6..fda38b5 100644
--- a/glibc.spec
+++ b/glibc.spec
@@ -1,4 +1,4 @@
-%global glibcsrcdir glibc-2.39.9000-197-g91695ee459
+%global glibcsrcdir glibc-2.39.9000-207-g5f245f3bfb
 %global glibcversion 2.39.9000
 # Pre-release tarballs are pulled in from git using a command that is
 # effectively:
@@ -170,7 +170,7 @@ 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 17
+%global baserelease 18
 Release: %{baserelease}%{?dist}
 
 # Licenses:
@@ -2525,6 +2525,20 @@ update_gconv_modules_cache ()
 %endif
 
 %changelog
+* Mon May 06 2024 DJ Delorie <dj@redhat.com> - 2.39.9000-18
+- Auto-sync with upstream branch master,
+  commit 5f245f3bfbe61b2182964dafb94907e38284b806.
+- Add crt1-2.0.o for glibc 2.0 compatibility tests
+- powerpc: Optimized strncmp for power10
+- build-many-glibcs.py: Add openrisc hard float glibc variant
+- or1k: Add hard float support
+- or1k: Add hard float libm-test-ulps
+- nscd: Use time_t for return type of addgetnetgrentX
+- Add a test to check for duplicate definitions in the static library
+- i686: Fix multiple definitions of __memmove_chk and __memset_chk
+- i586: Fix multiple definitions of __memcpy_chk and __mempcpy_chk
+- nscd: Typo inside comment in netgroup cache
+
 * Wed May 01 2024 Carlos O'Donell <carlos@redhat.com> - 2.39.9000-17
 - Update License tag to match upstream.
 - Auto-sync with upstream branch master,
diff --git a/sources b/sources
index 0f08b02..882edb2 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (glibc-2.39.9000-197-g91695ee459.tar.xz) = afd7f4229f48851afc93bc2f959e21f997929b61758914ea2dd877eacb5ae96998ca6e7b9e0733641111c78bb50bec0b9f1678e0576ef8a4e3e5e90287145775
+SHA512 (glibc-2.39.9000-207-g5f245f3bfb.tar.xz) = 1b70c6897e3c7c039a6b15e8026c28d89de641ca7b626d8024e3ba73455a957172c8c42faaeb5e9e982e526af1c2cdbf08003ff01fe7945b609220343c810bbe