diff --git a/pkgs/applications/editors/vscode/extensions/default.nix b/pkgs/applications/editors/vscode/extensions/default.nix
index 0b1dd812c29a..3ed6cd5f64f0 100644
--- a/pkgs/applications/editors/vscode/extensions/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/default.nix
@@ -2675,6 +2675,22 @@ let
         };
       };
 
+      jgclark.vscode-todo-highlight = buildVscodeMarketplaceExtension {
+        mktplcRef = {
+          name = "vscode-todo-highlight";
+          publisher = "jgclark";
+          version = "2.0.8";
+          hash = "sha256-/CctaLcG+dA2Cf69/ACeDKdRLsu/VUGbAxUbyhI0VyA=";
+        };
+        meta = {
+          changelog = "https://marketplace.visualstudio.com/items/wayou.vscode-todo-highlight/changelog";
+          description = "highlight TODOs, FIXMEs, and any keywords, annotations...";
+          downloadPage = "https://marketplace.visualstudio.com/items?itemName=jgclark.vscode-todo-highlight";
+          homepage = "https://github.com/jgclark/vscode-todo-highlight";
+          license = lib.licenses.mit;
+        };
+      };
+
       julialang.language-julia = buildVscodeMarketplaceExtension {
         mktplcRef = {
           name = "language-julia";