diff --git a/flake.lock b/flake.lock
index d9f16c7..f87883e 100644
--- a/flake.lock
+++ b/flake.lock
@@ -176,11 +176,11 @@
         "nixpkgs": "nixpkgs_3"
       },
       "locked": {
-        "lastModified": 1702320511,
-        "narHash": "sha256-L3yWNm3a6yguaisCbjLbFCFUsSMwp/DG69LyDALUy+c=",
+        "lastModified": 1703163600,
+        "narHash": "sha256-moGQSMrkzP+3P20Nkx3DIkL2R/rK5/KSakuF4JvPuGw=",
         "ref": "refs/heads/main",
-        "rev": "3088bcfa224e6f259428054571529b09587af899",
-        "revCount": 4,
+        "rev": "b43f5ecea195346d4488da3a2f85e7b67360a137",
+        "revCount": 5,
         "type": "git",
         "url": "https://githug.xyz/xenia/tree-sitters"
       },
diff --git a/flake.nix b/flake.nix
index 338b22d..6f92f30 100644
--- a/flake.nix
+++ b/flake.nix
@@ -22,14 +22,14 @@
           };
           sitters = tree-sitters.packages.${sys};
           sitterlist = [
-            sitters.bash sitters.c sitters.python sitters.rust sitters.nix sitters.agda sitters.html
+            sitters.bash sitters.c sitters.python sitters.rust sitters.nix sitters.agda sitters.html sitters.javascript
           ];
 
           kak-tree-bin = platform.buildRustPackage {
             name = "kak-tree-bin";
             src = ./.;
             cargoLock = { lockFile = ./Cargo.lock; };
-            buildFeatures = ["bash" "c" "python" "rust" "nix" "agda" "html"];
+            buildFeatures = ["bash" "c" "python" "rust" "nix" "agda" "html" "javascript"];
             inherit sitterlist;
             preBuild = ''
               mkdir lib