diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index 8cf88adc654..e29cdaafc2a 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -244,15 +244,15 @@ let self = _self // overrides; _self = with self; {
   };
 
   Appcpanminus = buildPerlPackage rec {
-    name = "App-cpanminus-1.7039";
+    name = "App-cpanminus-1.7040";
     src = fetchurl {
       url = "mirror://cpan/authors/id/M/MI/MIYAGAWA/${name}.tar.gz";
-      sha256 = "1r34f30izvb0d124576nwg5x0jcdbzgwgxczpgbnd66g7wqdig09";
+      sha256 = "fc8e5cde17cc5f4cc13aea8781c1e9425f76abc684cc720e9253f47ab3529556";
     };
     meta = {
       homepage = https://github.com/miyagawa/cpanminus;
       description = "Get, unpack, build and install modules from CPAN";
-      license = "perl";
+      license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
       platforms = stdenv.lib.platforms.all;
     };
   };