diff --git a/pkgs/applications/editors/vscode/extensions/myriad-dreamin.tinymist/default.nix b/pkgs/applications/editors/vscode/extensions/myriad-dreamin.tinymist/default.nix
index 8ab1b08e1cc8..eb8db3fd45f6 100644
--- a/pkgs/applications/editors/vscode/extensions/myriad-dreamin.tinymist/default.nix
+++ b/pkgs/applications/editors/vscode/extensions/myriad-dreamin.tinymist/default.nix
@@ -11,7 +11,7 @@ vscode-utils.buildVscodeMarketplaceExtension {
     name = "tinymist";
     publisher = "myriad-dreamin";
     inherit (tinymist) version;
-    hash = "sha256-AwVjRwjwx53/2jNz2VdluIh+zhNqbAP883xw8ULzZK0=";
+    hash = "sha256-dHxeyqVe7cA/xK0RpprWRt5xPViyLHHal0pO6xhq4aE=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/by-name/ti/tinymist/package.nix b/pkgs/by-name/ti/tinymist/package.nix
index 8e762cafc645..5ff9d8a4a1ed 100644
--- a/pkgs/by-name/ti/tinymist/package.nix
+++ b/pkgs/by-name/ti/tinymist/package.nix
@@ -15,17 +15,17 @@ rustPlatform.buildRustPackage rec {
   pname = "tinymist";
   # Please update the corresponding vscode extension when updating
   # this derivation.
-  version = "0.12.4";
+  version = "0.12.8";
 
   src = fetchFromGitHub {
     owner = "Myriad-Dreamin";
     repo = "tinymist";
     rev = "refs/tags/v${version}";
-    hash = "sha256-xX0dA6ode2YGT+aFCHDn1LjQHWcXdqRiKP+sxdoPvI0=";
+    hash = "sha256-yEvWPCFxdwc+fJOYRpxH1M5Fr+SedPm5fIE5tS1Fzhk=";
   };
 
   useFetchCargoVendor = true;
-  cargoHash = "sha256-mkL7zQM7LOp9MxmGL2JZsFErnKp3rc0OSwek10Uj5tc=";
+  cargoHash = "sha256-k4X62J5SUDkg70acESbwlqQIF9mnQzNgA0pvHuxCwfs=";
 
   nativeBuildInputs = [ pkg-config ];