diff --git a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/tsc/package.nix b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/tsc/package.nix
index 35e9335e4e5f..287631bea6ae 100644
--- a/pkgs/applications/editors/emacs/elisp-packages/manual-packages/tsc/package.nix
+++ b/pkgs/applications/editors/emacs/elisp-packages/manual-packages/tsc/package.nix
@@ -12,16 +12,16 @@ let
 
   tsc-dyn = rustPlatform.buildRustPackage (finalAttrs: {
     pname = "tsc-dyn";
-    version = "0.18.0";
+    version = "0.19.4";
 
     src = fetchFromGitHub {
       owner = "emacs-tree-sitter";
       repo = "emacs-tree-sitter";
       tag = finalAttrs.version;
-      hash = "sha256-LrakDpP3ZhRQqz47dPcyoQnu5lROdaNlxGaQfQT6u+k=";
+      hash = "sha256-7B9Q8ke8gY9cFIAjpyH21P240goKUEKgppfqP3PSxYA=";
     };
 
-    cargoHash = "sha256-Tua3ZFfSyWVYXU9mPLWXE6ejGlXowTNe3nvZBaicmSQ=";
+    cargoHash = "sha256-mjR8PehbhY1o/5L2l/OMh/NwjjmQXErPHh00cAD94pw=";
 
     sourceRoot = "${finalAttrs.src.name}/core";