diff --git a/pkgs/applications/editors/vscode/extensions/default.nix b/pkgs/applications/editors/vscode/extensions/default.nix
index ea6206bf39af..04611c96188c 100644
--- a/pkgs/applications/editors/vscode/extensions/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/default.nix
@@ -706,6 +706,22 @@ let
         };
       };
 
+      colejcummins.llvm-syntax-highlighting = buildVscodeMarketplaceExtension {
+        mktplcRef = {
+          name = "llvm-syntax-highlighting";
+          publisher = "colejcummins";
+          version = "0.0.3";
+          sha256 = "sha256-D5zLp3ruq0F9UFT9emgOBDLr1tya2Vw52VvCc40TtV0=";
+        };
+        meta = with lib; {
+          description = "Lightweight syntax highlighting for LLVM IR";
+          homepage = "https://github.com/colejcummins/llvm-syntax-highlighting";
+          downloadPage = "https://marketplace.visualstudio.com/items?itemName=colejcummins.llvm-syntax-highlighting";
+          maintainers = with lib.maintainers; [ inclyc ];
+          license = licenses.mit;
+        };
+      };
+
       coolbear.systemd-unit-file = buildVscodeMarketplaceExtension {
         mktplcRef = {
           publisher = "coolbear";