diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index ff35e5231463..6124fc5859ec 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -1328,12 +1328,12 @@ let
     propagatedBuildInputs = [ CarpClan ];
   };
 
-  BKeywords = buildPerlPackage {
+  BKeywords = buildPerlPackage rec {
     pname = "B-Keywords";
-    version = "1.21";
+    version = "1.22";
     src = fetchurl {
-      url = "mirror://cpan/authors/id/R/RU/RURBAN/B-Keywords-1.21.tar.gz";
-      sha256 = "12481z1z1nyrjlkizzqn4cdmcrfjkc3hvxppqipsf6r5gnffh9as";
+      url = "mirror://cpan/authors/id/R/RU/RURBAN/B-Keywords-${version}.tar.gz";
+      sha256 = "0i2ksp0w9wv1qc22hrdl3k48cww64syhmv8zf6x0kgyd4081hr56";
     };
     meta = {
       description = "Lists of reserved barewords and symbol names";