diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm
index 2c4e9679453..b6166a9139d 100644
--- a/gnu/packages/gcc.scm
+++ b/gnu/packages/gcc.scm
@@ -17,6 +17,7 @@
 ;;; Copyright © 2023 Bruno Victal <mirai@makinata.eu>
 ;;; Copyright © 2023 Maxim Cournoyer <maxim.cournoyer@gmail.com>
 ;;; Copyright © 2024 Nguyễn Gia Phong <mcsinyx@disroot.org>
+;;; Copyright © 2025 Janneke Nieuwenhuizen <janneke@gnu.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -828,14 +829,14 @@ It also includes runtime support libraries for these languages.")
 (define-public gcc-14
   (package
     (inherit gcc-13)
-    (version "14.2.0")
+    (version "14.3.0")
     (source (origin
               (method url-fetch)
               (uri (string-append "mirror://gnu/gcc/gcc-"
                                   version "/gcc-" version ".tar.xz"))
               (sha256
                (base32
-                "1j9wdznsp772q15w1kl5ip0gf0bh8wkanq2sdj12b7mzkk39pcx7"))
+                "0fna78ly417g69fdm4i5f3ms96g8xzzjza8gwp41lqr5fqlpgp70"))
               (patches (search-patches "gcc-12-strmov-store-file-names.patch"
                                        "gcc-5.0-libvtv-runpath.patch"))
               (modules '((guix build utils)))