diff --git a/pkgs/development/tools/misc/autoconf/default.nix b/pkgs/development/tools/misc/autoconf/default.nix
index 6eac0fd18393..818117f1bb12 100644
--- a/pkgs/development/tools/misc/autoconf/default.nix
+++ b/pkgs/development/tools/misc/autoconf/default.nix
@@ -14,7 +14,7 @@
 
 stdenv.mkDerivation rec {
   pname = "autoconf";
-  version = "2.72";
+  version = "2.73";
   outputs = [
     "out"
     "doc"
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   src = fetchurl {
     url = "mirror://gnu/autoconf/autoconf-${version}.tar.xz";
-    hash = "sha256-uohcExlXjWyU1G6bDc60AUyq/iSQ5Deg28o/JwoiP1o=";
+    hash = "sha256-n9ZyschCX6wvpn+gR3uZCYcmi5D/NtXwFtrle+DWtS4=";
   };
 
   strictDeps = true;