diff --git a/pkgs/tools/misc/parallel/default.nix b/pkgs/tools/misc/parallel/default.nix
index 0720ca76f25..059b43baec3 100644
--- a/pkgs/tools/misc/parallel/default.nix
+++ b/pkgs/tools/misc/parallel/default.nix
@@ -1,11 +1,11 @@
 { fetchurl, stdenv, perl, makeWrapper, procps }:
 
 stdenv.mkDerivation rec {
-  name = "parallel-20200422";
+  name = "parallel-20200522";
 
   src = fetchurl {
     url = "mirror://gnu/parallel/${name}.tar.bz2";
-    sha256 = "0c2mr2rzsz0y24q4mbm2zmc2fz6bcda4gbc4qgg59sirrj8vzpjb";
+    sha256 = "10is46v5dpccxibby0zikg1q68mdwpmgdpxk796zka93idd6id29";
   };
 
   outputs = [ "out" "man" ];