diff --git a/pkgs/os-specific/linux/acpid/default.nix b/pkgs/os-specific/linux/acpid/default.nix
index 2b8dac0c8e43..41ed180ee5a2 100644
--- a/pkgs/os-specific/linux/acpid/default.nix
+++ b/pkgs/os-specific/linux/acpid/default.nix
@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   pname = "acpid";
-  version = "2.0.32";
+  version = "2.0.33";
 
   src = fetchurl {
     url = "mirror://sourceforge/acpid2/acpid-${version}.tar.xz";
-    sha256 = "0zhmxnhnhg4v1viw82yjr22kram6k5k1ixznhayk8cnw7q5x7lpj";
+    sha256 = "sha256-CFb3Gz6zShtmPQqOY2Pfy8UZ5j2EczBJiJhljily2+g=";
   };
 
   nativeBuildInputs = [ autoreconfHook ];