diff --git a/pkgs/tools/text/reckon/Gemfile.lock b/pkgs/tools/text/reckon/Gemfile.lock
index 18dc624c3da1..7409a4bae84f 100644
--- a/pkgs/tools/text/reckon/Gemfile.lock
+++ b/pkgs/tools/text/reckon/Gemfile.lock
@@ -2,11 +2,13 @@ GEM
   remote: https://rubygems.org/
   specs:
     chronic (0.10.2)
-    highline (2.0.3)
+    highline (2.1.0)
+    matrix (0.4.2)
     rchardet (1.8.0)
-    reckon (0.8.0)
+    reckon (0.9.2)
       chronic (>= 0.3.0)
       highline (>= 1.5.2)
+      matrix (>= 0.4.2)
       rchardet (>= 1.8.0)
 
 PLATFORMS
@@ -16,4 +18,4 @@ DEPENDENCIES
   reckon
 
 BUNDLED WITH
-   2.2.20
+   2.4.13
diff --git a/pkgs/tools/text/reckon/gemset.nix b/pkgs/tools/text/reckon/gemset.nix
index 0e2cc48886a4..508d6da0be3e 100644
--- a/pkgs/tools/text/reckon/gemset.nix
+++ b/pkgs/tools/text/reckon/gemset.nix
@@ -14,10 +14,20 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0yclf57n2j3cw8144ania99h1zinf8q3f5zrhqa754j6gl95rp9d";
+      sha256 = "1f8cr014j7mdqpdb9q17fp5vb5b8n1pswqaif91s3ylg5x3pygfn";
       type = "gem";
     };
-    version = "2.0.3";
+    version = "2.1.0";
+  };
+  matrix = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1h2cgkpzkh3dd0flnnwfq6f3nl2b1zff9lvqz8xs853ssv5kq23i";
+      type = "gem";
+    };
+    version = "0.4.2";
   };
   rchardet = {
     groups = ["default"];
@@ -30,14 +40,14 @@
     version = "1.8.0";
   };
   reckon = {
-    dependencies = ["chronic" "highline" "rchardet"];
+    dependencies = ["chronic" "highline" "matrix" "rchardet"];
     groups = ["default"];
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0qnghypb9pj7888096xwyrx7myhzk85x69ympxkxki3kxcgcrdfn";
+      sha256 = "0188k41lvz5vnn03qw1hbi6c2i88n5p3183rb0xz9rfjcngh2ly3";
       type = "gem";
     };
-    version = "0.8.0";
+    version = "0.9.2";
   };
 }