diff --git a/pkgs/tools/system/acpica-tools/default.nix b/pkgs/tools/system/acpica-tools/default.nix
index a1c7527c46a4..583bbd2ebd94 100644
--- a/pkgs/tools/system/acpica-tools/default.nix
+++ b/pkgs/tools/system/acpica-tools/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "acpica-tools";
-  version = "20200110";
+  version = "20200326";
 
   src = fetchurl {
     url = "https://acpica.org/sites/acpica/files/acpica-unix-${version}.tar.gz";
-    sha256 = "1cb6aa6acrixmdzvj9vv4qs9lmlsbkd27pjlz14i1kq1x3xn0gwx";
+    sha256 = "1zr2sziiy5jvwgmxpgy2imzsmmb6hlncfd816i7qxrixg2ag7ycr";
   };
 
   NIX_CFLAGS_COMPILE = "-O3";