diff --git a/pkgs/tools/networking/iperf/3.nix b/pkgs/tools/networking/iperf/3.nix
index a86e3e04530..d69b52a5001 100644
--- a/pkgs/tools/networking/iperf/3.nix
+++ b/pkgs/tools/networking/iperf/3.nix
@@ -1,13 +1,15 @@
-{ stdenv, fetchurl }:
+{ stdenv, fetchurl, openssl }:
 
 stdenv.mkDerivation rec {
-  name = "iperf-3.2";
+  name = "iperf-3.3";
 
   src = fetchurl {
     url = "http://downloads.es.net/pub/iperf/${name}.tar.gz";
-    sha256 = "07cwrl9q5pmfjlh6ilpk7hm25lpkcaf917zhpmfq918lhrpv61zj";
+    sha256 = "1n442bjkm1dvzmcj8z1i99yrmba489yz3f5v27ybymhh4mqn4nbg";
   };
 
+  buildInputs = [ openssl ];
+
   postInstall = ''
     ln -s iperf3 $out/bin/iperf
   '';