diff --git a/pkgs/development/tools/rubocop/Gemfile.lock b/pkgs/development/tools/rubocop/Gemfile.lock
index 54287074bede..2c5deffc2d1c 100644
--- a/pkgs/development/tools/rubocop/Gemfile.lock
+++ b/pkgs/development/tools/rubocop/Gemfile.lock
@@ -6,9 +6,9 @@ GEM
     parser (3.0.0.0)
       ast (~> 2.4.1)
     rainbow (3.0.0)
-    regexp_parser (2.0.3)
+    regexp_parser (2.1.1)
     rexml (3.2.4)
-    rubocop (1.10.0)
+    rubocop (1.11.0)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)
       rainbow (>= 2.2.2, < 4.0)
diff --git a/pkgs/development/tools/rubocop/default.nix b/pkgs/development/tools/rubocop/default.nix
index 9a6393977d7f..a388377ae088 100644
--- a/pkgs/development/tools/rubocop/default.nix
+++ b/pkgs/development/tools/rubocop/default.nix
@@ -14,6 +14,5 @@ bundlerEnv {
     homepage = "https://docs.rubocop.org/";
     license = licenses.mit;
     maintainers = with maintainers; [ marsam leemachin ];
-    platforms = platforms.unix;
   };
 }
diff --git a/pkgs/development/tools/rubocop/gemset.nix b/pkgs/development/tools/rubocop/gemset.nix
index b460200c74e4..46d920bc657b 100644
--- a/pkgs/development/tools/rubocop/gemset.nix
+++ b/pkgs/development/tools/rubocop/gemset.nix
@@ -45,10 +45,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0zm86k9q8m5jkcnpb1f93wsvc57saldfj8czxkx1aw031i95inip";
+      sha256 = "0vg7imjnfcqjx7kw94ccj5r78j4g190cqzi1i59sh4a0l940b9cr";
       type = "gem";
     };
-    version = "2.0.3";
+    version = "2.1.1";
   };
   rexml = {
     groups = ["default"];
@@ -66,10 +66,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1ncd6w4sc112j86j9j12ws7flxfi8dk8nal2kyxg7phdfr703qlz";
+      sha256 = "0zrzsgx35mcr81c51gyx63s7yngcfgk33dbkx5j0npkaks4fcm7r";
       type = "gem";
     };
-    version = "1.10.0";
+    version = "1.11.0";
   };
   rubocop-ast = {
     dependencies = ["parser"];