1 files changed, 3 insertions, 2 deletions
diff --git a/pkgs/tools/networking/iperf/2.nix b/pkgs/tools/networking/iperf/2.nix
index 6d26cf591baed..9faa0f953510d 100644
--- a/pkgs/tools/networking/iperf/2.nix
+++ b/pkgs/tools/networking/iperf/2.nix
@@ -1,14 +1,15 @@
 { stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
-  name = "iperf-2.0.12";
+  name = "iperf-2.0.13";
 
   src = fetchurl {
     url = "mirror://sourceforge/iperf2/files/${name}.tar.gz";
-    sha256 = "0ii6sgp62x9ly2gyk00w58dy9qwcw2kvhhcfa7v16jr6n4gnazrn";
+    sha256 = "1bbq6xr0vrd88zssfiadvw3awyn236yv94fsdl9q2sh9cv4xx2n8";
   };
 
   hardeningDisable = [ "format" ];
+  configureFlags = [ "--enable-fastsampling" ];
 
   meta = with stdenv.lib; {
     homepage = https://sourceforge.net/projects/iperf/;