diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index cdee71efe607..25e79e99a662 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -17753,10 +17753,10 @@ let self = _self // overrides; _self = with self; {
   };
 
   YAMLLibYAML = buildPerlPackage rec {
-    name = "YAML-LibYAML-0.70";
+    name = "YAML-LibYAML-0.72";
     src = fetchurl {
       url = "mirror://cpan/authors/id/T/TI/TINITA/${name}.tar.gz";
-      sha256 = "1lqgal20v79ij68jhrpg57vxsv4sdahgmqdv88vg0388y776n95j";
+      sha256 = "0dn50pranjyai4gclb501m29y0ks03y87g132wqpb469rb3sjd0g";
     };
   };