diff --git a/newlib-4.4.0.20231231.tar.gz b/newlib-4.4.0.20231231.tar.gz
deleted file mode 100644
index 7afb68f..0000000
--- a/newlib-4.4.0.20231231.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:0c166a39e1bf0951dfafcd68949fe0e4b6d3658081d6282f39aeefc6310f2f13
-size 9022406
diff --git a/newlib-4.5.0.20241231.tar.gz b/newlib-4.5.0.20241231.tar.gz
new file mode 100644
index 0000000..4b2d75e
--- /dev/null
+++ b/newlib-4.5.0.20241231.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:33f12605e0054965996c25c1382b3e463b0af91799001f5bb8c0630f2ec8c852
+size 9081514
diff --git a/newlib.changes b/newlib.changes
index c0eaa70..3d6b4a8 100644
--- a/newlib.changes
+++ b/newlib.changes
@@ -1,3 +1,21 @@
+-------------------------------------------------------------------
+Thu Jan 16 12:46:22 UTC 2025 - Richard Biener <rguenther@suse.com>
+
+- Update to v4.5.0
+  * major clean-up of libgloss build including merging a number of platforms
+    into top-level Makefile (moxie, v850, i960, msp430, frv, i386, ...) and
+    removal of dead platforms such as xc16x
+  * strverscmp fixed for comparison of digit sequence with non-digits
+  * proper locking added from amdgcn
+  * numerous improvements to arc support including support of 16-entry
+    register file
+  * long double complex functions are now skipped if long double != double
+  * support for POSIX.1-2024 added to features.h
+  * arc64: port added for Synopsys Designware ARCv3 ISA
+  * sys/xtensa removed and replaced by machine/xtensa and libgloss
+  * fixes to powf
+  * fixes for building with gcc-15
+
 -------------------------------------------------------------------
 Mon Dec  2 07:53:24 UTC 2024 - Richard Biener <rguenther@suse.com>
 
diff --git a/newlib.spec b/newlib.spec
index 2299e81..22531e6 100644
--- a/newlib.spec
+++ b/newlib.spec
@@ -1,7 +1,7 @@
 #
 # spec file
 #
-# Copyright (c) 2024 SUSE LLC
+# Copyright (c) 2025 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -44,7 +44,7 @@
 # In the staging/ring projects, we don't want to build the unneeded packages
 %bcond_with ringdisabled
 Name:           %{pname}
-Version:        4.4.0.20231231
+Version:        4.5.0.20241231
 Release:        0
 Summary:        C library intended for use on embedded systems
 License:        BSD-3-Clause AND MIT AND LGPL-2.0-or-later AND ISC