diff --git a/cspell/vscode-user-dictionary.txt b/cspell/vscode-user-dictionary.txt
index 890b5ea..7168635 100644
--- a/cspell/vscode-user-dictionary.txt
+++ b/cspell/vscode-user-dictionary.txt
@@ -126,6 +126,7 @@ shellcheck
 shfmt
 shoulda
 sidekiq
+simplecov
 sirportly
 SITEFUNS
 solargraph
diff --git a/extensions.cursor.lock b/extensions.cursor.lock
index 99baf45..7f86210 100644
--- a/extensions.cursor.lock
+++ b/extensions.cursor.lock
@@ -1,10 +1,9 @@
 # cursor Extensions
-# Generated on Mon May 19 12:12:57 BST 2025
+# Generated on Tue May 20 11:35:11 BST 2025
 
 alefragnani.project-manager@12.8.0
 antiantisepticeye.vscode-color-picker@0.0.4
 antyos.openscad@1.3.2
-anykeyh.simplecov-vscode@0.0.2
 arrterian.nix-env-selector@1.0.11
 arturodent.command-alias@0.6.2
 bibhasdn.unique-lines@1.0.0
@@ -25,6 +24,7 @@ connorshea.vscode-ruby-test-adapter@0.9.2
 ctf0.macros@1.1.1
 davidanson.vscode-markdownlint@0.59.0
 dbaeumer.vscode-eslint@3.0.10
+dewski.simplecov@0.0.7
 dnut.rewrap-revived@1.16.3
 editorconfig.editorconfig@0.17.2
 emeraldwalk.runonsave@0.2.7
diff --git a/settings.json b/settings.json
index 5eaed7d..bd2295b 100644
--- a/settings.json
+++ b/settings.json
@@ -437,6 +437,7 @@
   // Extensions:
   // - https://marketplace.visualstudio.com/items?itemName=Shopify.ruby-extensions-pack
   // - https://marketplace.visualstudio.com/items?itemName=connorshea.vscode-ruby-test-adapter
+  // - https://marketplace.visualstudio.com/items?itemName=dewski.simplecov
   //
   "[ruby]": {
     "editor.defaultFormatter": "Shopify.ruby-lsp",
@@ -451,6 +452,13 @@
   // version of Ruby is used.
   "rubyTestExplorer.minitestCommand": "mise x -- bundle exec rake",
   "rubyTestExplorer.rspecCommand": "mise x -- bundle exec rspec",
+  "simplecov-vscode.enabled": false,
+  "simplecov.coverageDecorator": {
+    "type": "gutter",
+    "coveredGutterStyle": "verticalblue",
+    "uncoveredGutterStyle": "verticalyellow",
+    "uncoveredBranchGutterStyle": "verticalyellow"
+  },
   //
   // ===========================================================================
   // MARK: Lang: Shellscript