diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 654a91f5efea..1510cc4d18ee 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5306,6 +5306,7 @@ let
 
   perlXMLParser = perlPackages.XMLParser;
 
+  ack = perlPackages.ack;
 
   ### DEVELOPMENT / PYTHON MODULES
 
diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index 5afb44155930..575fbfe07c9f 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -11,6 +11,23 @@ rec {
 
   inherit (pkgs) buildPerlPackage fetchurl stdenv perl;
 
+  ack = buildPerlPackage rec {
+    name = "ack-1.92";
+    src = fetchurl {
+      url = "mirror://cpan/authors/id/P/PE/PETDANCE/${name}.tar.gz";
+      sha256 = "8689156cb0639ff60adee47fc4b77e656cf0fc58e6c123ee6c481d9d48e99b88";
+    };
+    propagatedBuildInputs = [ FileNext ];
+    meta = {
+      description = "grep-like text finder";
+      longDescription = ''
+        ack is a grep-like tool tailored to working with large trees of source code.
+      '';
+      homepage = http://betterthangrep.com/;
+      license = "free";  # Artistic 2.0
+    };
+  };
+
   AlgorithmAnnotate = buildPerlPackage {
     name = "Algorithm-Annotate-0.10";
     src = fetchurl {
@@ -1100,6 +1117,14 @@ rec {
     };
   };
 
+  FileNext = buildPerlPackage rec {
+    name = "File-Next-1.06";
+    src = fetchurl {
+      url = "mirror://cpan/authors/id/P/PE/PETDANCE/${name}.tar.gz";
+      sha256 = "36cc0a4e5e4e44e04f7bea6f7453db517acc1a1b35a2b5fe5bc14cea0f560662";
+    };
+  };
+
   FileShareDir = buildPerlPackage rec {
     name = "File-ShareDir-1.00";
     src = fetchurl {