diff --git a/pkgs/development/tools/rubocop/Gemfile.lock b/pkgs/development/tools/rubocop/Gemfile.lock
index 91fca663bf2..5d18d344281 100644
--- a/pkgs/development/tools/rubocop/Gemfile.lock
+++ b/pkgs/development/tools/rubocop/Gemfile.lock
@@ -7,7 +7,7 @@ GEM
     parser (2.6.3.0)
       ast (~> 2.4.0)
     rainbow (3.0.0)
-    rubocop (0.72.0)
+    rubocop (0.73.0)
       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 1f83bbf96b7..9eaa50eff95 100644
--- a/pkgs/development/tools/rubocop/gemset.nix
+++ b/pkgs/development/tools/rubocop/gemset.nix
@@ -56,10 +56,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "192vmm9ah6b4wyabawaszpr8n3z93y3ymykp3m4pncrbwngmn3m2";
+      sha256 = "1b5zc8xaqb5krchjrjqj7sc205awmnpksc4ng0rbckd6xcbr7n0f";
       type = "gem";
     };
-    version = "0.72.0";
+    version = "0.73.0";
   };
   ruby-progressbar = {
     groups = ["default"];