diff --git a/pkgs/development/tools/rubocop/Gemfile.lock b/pkgs/development/tools/rubocop/Gemfile.lock
index 2c5deffc2d1..913009f6b2b 100644
--- a/pkgs/development/tools/rubocop/Gemfile.lock
+++ b/pkgs/development/tools/rubocop/Gemfile.lock
@@ -8,7 +8,7 @@ GEM
     rainbow (3.0.0)
     regexp_parser (2.1.1)
     rexml (3.2.4)
-    rubocop (1.11.0)
+    rubocop (1.12.0)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)
       rainbow (>= 2.2.2, < 4.0)
diff --git a/pkgs/development/tools/rubocop/gemset.nix b/pkgs/development/tools/rubocop/gemset.nix
index 46d920bc657..fc919235e2b 100644
--- a/pkgs/development/tools/rubocop/gemset.nix
+++ b/pkgs/development/tools/rubocop/gemset.nix
@@ -66,10 +66,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0zrzsgx35mcr81c51gyx63s7yngcfgk33dbkx5j0npkaks4fcm7r";
+      sha256 = "1i3y0h6awywx4rdmjdan908jmnyk589pndbjypxkfbkqvjx514fw";
       type = "gem";
     };
-    version = "1.11.0";
+    version = "1.12.0";
   };
   rubocop-ast = {
     dependencies = ["parser"];