diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index 31607fe2bf26..d50237f06d54 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -7632,6 +7632,18 @@ let self = _self // overrides; _self = with self; {
     };
   };
 
+  MathCalcUnits = buildPerlPackage rec {
+    name = "Math-Calc-Units-1.07";
+    src = fetchurl {
+      url = "mirror://cpan/authors/id/S/SF/SFINK/${name}.tar.gz";
+      sha256 = "13wgbxv2fmigdj0vf7nwkq1y2q07jgfj8wdrpqkywfxv4zdwzqv1";
+    };
+    meta = {
+      description = "Human-readable unit-aware calculator";
+      license = with stdenv.lib.licenses; [ artistic1 gpl2 ];
+    };
+  };
+
   MathBigInt = buildPerlPackage rec {
     name = "Math-BigInt-1.999724";
     src = fetchurl {
@@ -8294,6 +8306,25 @@ let self = _self // overrides; _self = with self; {
     };
   };
 
+  MonitoringPlugin = buildPerlPackage rec {
+    name = "Monitoring-Plugin-0.39";
+    src = fetchurl {
+      url = "mirror://cpan/authors/id/N/NI/NIERLEIN/${name}.tar.gz";
+      sha256 = "030cw86j8712z8rn66k935gbilb5rcj3lnk4n53vh1b2phrszvjw";
+    };
+    buildInputs = [ TestMore ];
+    propagatedBuildInputs = [
+      Carp ClassAccessor ConfigTiny
+      MathCalcUnits ParamsValidate ];
+    meta = {
+      description = ''
+        A family of perl modules to streamline writing Naemon,
+        Nagios, Icinga or Shinken (and compatible) plugins
+      '';
+      license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
+    };
+  };
+
   IOPipely = buildPerlPackage rec {
     name = "IO-Pipely-0.005";
     src = fetchurl {