diff --git a/pkgs/development/tools/rubocop/Gemfile.lock b/pkgs/development/tools/rubocop/Gemfile.lock
index df5bee57be6..df2f0aae8ea 100644
--- a/pkgs/development/tools/rubocop/Gemfile.lock
+++ b/pkgs/development/tools/rubocop/Gemfile.lock
@@ -4,10 +4,10 @@ GEM
     ast (2.4.0)
     jaro_winkler (1.5.3)
     parallel (1.17.0)
-    parser (2.6.3.0)
+    parser (2.6.4.1)
       ast (~> 2.4.0)
     rainbow (3.0.0)
-    rubocop (0.74.0)
+    rubocop (0.75.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.6)
diff --git a/pkgs/development/tools/rubocop/gemset.nix b/pkgs/development/tools/rubocop/gemset.nix
index 892d0d74d7b..d113120e3d6 100644
--- a/pkgs/development/tools/rubocop/gemset.nix
+++ b/pkgs/development/tools/rubocop/gemset.nix
@@ -35,10 +35,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "1pnks149x0fzgqiw53qlmvcd8bi746cxdw03sjljby5s97p1fskn";
+      sha256 = "1axig0czm40ydbnay9b9qzzavszx2p7knidbwim8lgcpfm4ynxdw";
       type = "gem";
     };
-    version = "2.6.3.0";
+    version = "2.6.4.1";
   };
   rainbow = {
     groups = ["default"];
@@ -56,10 +56,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0wpyass9qb2wvq8zsc7wdzix5xy2ldiv66wnx8mwwprz2dcvzayk";
+      sha256 = "1x0hc3b9admal4684cfa1rh778khsydkv1dwf18cxyvb3v2h9rab";
       type = "gem";
     };
-    version = "0.74.0";
+    version = "0.75.0";
   };
   ruby-progressbar = {
     groups = ["default"];