diff --git a/pkgs/tools/misc/fluentd/Gemfile b/pkgs/tools/misc/fluentd/Gemfile
index 41c5bde1acc8..8c9dd3aa0a02 100644
--- a/pkgs/tools/misc/fluentd/Gemfile
+++ b/pkgs/tools/misc/fluentd/Gemfile
@@ -2,3 +2,4 @@ source "https://rubygems.org"
 
 gem 'fluentd'
 gem 'fluent-plugin-elasticsearch'
+gem 'fluent-plugin-record-reformer'
diff --git a/pkgs/tools/misc/fluentd/Gemfile.lock b/pkgs/tools/misc/fluentd/Gemfile.lock
index ba4cc4bb4a80..4f51d365513a 100644
--- a/pkgs/tools/misc/fluentd/Gemfile.lock
+++ b/pkgs/tools/misc/fluentd/Gemfile.lock
@@ -16,6 +16,8 @@ GEM
       elasticsearch
       fluentd (>= 0.10.43)
       patron (~> 0)
+    fluent-plugin-record-reformer (0.6.0)
+      fluentd
     fluentd (0.12.6)
       cool.io (>= 1.2.2, < 2.0.0)
       http_parser.rb (>= 0.5.1, < 0.7.0)
@@ -46,4 +48,5 @@ PLATFORMS
 
 DEPENDENCIES
   fluent-plugin-elasticsearch
+  fluent-plugin-record-reformer
   fluentd
diff --git a/pkgs/tools/misc/fluentd/gemset.nix b/pkgs/tools/misc/fluentd/gemset.nix
index 4d0072c6afea..84577c03587d 100644
--- a/pkgs/tools/misc/fluentd/gemset.nix
+++ b/pkgs/tools/misc/fluentd/gemset.nix
@@ -60,6 +60,16 @@
       "patron"
     ];
   };
+  "fluent-plugin-record-reformer" = {
+    version = "0.6.0";
+    source = {
+      type = "gem";
+      sha256 = "1h43xx7dypbrhdw22c28jsp3054g4imic2wd12rl5nf1k85phfkk";
+    };
+    dependencies = [
+      "fluentd"
+    ];
+  };
   "fluentd" = {
     version = "0.12.6";
     source = {