diff --git a/pkgs/development/tools/misc/autoconf/default.nix b/pkgs/development/tools/misc/autoconf/default.nix
index 93add837290b..936cc9a14545 100644
--- a/pkgs/development/tools/misc/autoconf/default.nix
+++ b/pkgs/development/tools/misc/autoconf/default.nix
@@ -50,7 +50,7 @@ stdenv.mkDerivation rec {
       can use, in the form of M4 macro calls.
     '';
 
-    license = stdenv.lib.licenses.gpl2Plus;
+    license = stdenv.lib.licenses.gpl3Plus;
 
     platforms = stdenv.lib.platforms.all;
   };