diff --git a/pkgs/tools/system/acpica-tools/default.nix b/pkgs/tools/system/acpica-tools/default.nix
index 662b87f3e85..95fa1047fe5 100644
--- a/pkgs/tools/system/acpica-tools/default.nix
+++ b/pkgs/tools/system/acpica-tools/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl, bison, flex }:
 
 stdenv.mkDerivation rec {
-  name = "acpica-tools-${version}";
-  version = "20190509";
+  pname = "acpica-tools";
+  version = "20190703";
 
   src = fetchurl {
     url = "https://acpica.org/sites/acpica/files/acpica-unix-${version}.tar.gz";
-    sha256 = "06k22kfnjzf3mpvrb7xl2pfnh28q3n8wcgdjchl1j2hik5pan97i";
+    sha256 = "031m124a109vv6fx667h4ca2iav0xszrlvif9zcfxcaxbjsn6991";
   };
 
   NIX_CFLAGS_COMPILE = "-O3";