diff --git a/pkgs/tools/networking/tcpdump/default.nix b/pkgs/tools/networking/tcpdump/default.nix
index 231d7e293b8..4edfdf6af1e 100644
--- a/pkgs/tools/networking/tcpdump/default.nix
+++ b/pkgs/tools/networking/tcpdump/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, libpcap, enableStatic ? false }:
 
 stdenv.mkDerivation rec {
-  name = "tcpdump-4.7.3";
+  name = "tcpdump-4.7.4";
 
   src = fetchurl {
     url = "http://www.tcpdump.org/release/${name}.tar.gz";
-    sha256 = "1kla3l7lja8cfwimp512x7z176x2dsy03ih6g8gd95p95ijzp1qz";
+    sha256 = "1byr8w6grk08fsq0444jmcz9ar89lq9nf4mjq2cny0w9k8k21rbb";
   };
 
   buildInputs = [ libpcap ];