diff --git a/gnu/packages/networking.scm b/gnu/packages/networking.scm
index 4e8d91256d..abaab60f31 100644
--- a/gnu/packages/networking.scm
+++ b/gnu/packages/networking.scm
@@ -6,7 +6,7 @@
 ;;; Copyright © 2016 Raimon Grau <raimonster@gmail.com>
 ;;; Copyright © 2016–2021 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2016 John Darrington <jmd@gnu.org>
-;;; Copyright © 2016, 2017, 2018, 2019, 2020 Nicolas Goaziou <mail@nicolasgoaziou.fr>
+;;; Copyright © 2016, 2017, 2018, 2019, 2020, 2021 Nicolas Goaziou <mail@nicolasgoaziou.fr>
 ;;; Copyright © 2016 Eric Bavier <bavier@member.fsf.org>
 ;;; Copyright © 2016, 2017 Nikita <nikita@n0.is>
 ;;; Copyright © 2016, 2017, 2018 Arun Isaac <arunisaac@systemreboot.net>
@@ -1349,14 +1349,14 @@ (define-public whois
 (define-public wireshark
   (package
     (name "wireshark")
-    (version "3.4.2")
+    (version "3.4.3")
     (source
      (origin
        (method url-fetch)
        (uri (string-append "https://www.wireshark.org/download/src/wireshark-"
                            version ".tar.xz"))
        (sha256
-        (base32 "1i548w6zv6ni5n22rs90a12aakyq811493dxmadlcsj2krr6i66y"))))
+        (base32 "0ar6pxzrcpxdriz437d6ziwlhb8k5wlvrkalp3hgqwzwy1vwqrzl"))))
     (build-system cmake-build-system)
     (arguments
      `(#:phases