diff --git a/chrony.changes b/chrony.changes
index bdcb1b8..1bb3bb4 100644
--- a/chrony.changes
+++ b/chrony.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Jul 31 12:13:21 UTC 2024 - Dominique Leuenberger <dimstar@opensuse.org>
+
+- Update clknetsim to snapshot 633a0be: fix missing stat/fstat with
+  latest glibc.
+
 -------------------------------------------------------------------
 Tue Jun  4 14:57:09 UTC 2024 - Reinhard Max <max@suse.com>
 
diff --git a/chrony.spec b/chrony.spec
index b0ee217..9f90a61 100644
--- a/chrony.spec
+++ b/chrony.spec
@@ -33,7 +33,7 @@
 %bcond_without testsuite
 
 %define _systemdutildir %(pkg-config --variable systemdutildir systemd)
-%global clknetsim_ver 0a11a35
+%global clknetsim_ver 633a0be
 #Compat macro for new _fillupdir macro introduced in Nov 2017
 %if ! %{defined _fillupdir}
   %define _fillupdir %{_localstatedir}/adm/fillup-templates
diff --git a/clknetsim-0a11a35.tar.gz b/clknetsim-0a11a35.tar.gz
deleted file mode 100644
index 848705a..0000000
--- a/clknetsim-0a11a35.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5ef3d546932c7b848109474f782bd0c0a54b6dff9c199c7d524d535972b112b2
-size 51432
diff --git a/clknetsim-633a0be.tar.gz b/clknetsim-633a0be.tar.gz
new file mode 100644
index 0000000..0ccf91a
--- /dev/null
+++ b/clknetsim-633a0be.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:58573ca20a18996a0ab1d1efaa262326dd11417159da8724c4268f4519af278e
+size 51447