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 89d96d7fba02..ae19a3990273 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 = "sha256-86P0PsOyLtHfGE4HaTvH0nSVs3IialAmw+gyajfJrRE=";
+    hash = "sha256-esoX4BibxMZv5KHwVJoJ94uDzwL9/OqKrmyvtprbUsc=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/by-name/ti/tinymist/package.nix b/pkgs/by-name/ti/tinymist/package.nix
index f9d4b21e9201..dd71920ca7ae 100644
--- a/pkgs/by-name/ti/tinymist/package.nix
+++ b/pkgs/by-name/ti/tinymist/package.nix
@@ -3,6 +3,7 @@
   stdenv,
   rustPlatform,
   fetchFromGitHub,
+  fetchpatch,
   installShellFiles,
   pkg-config,
   libgit2,
@@ -18,17 +19,29 @@ rustPlatform.buildRustPackage rec {
   pname = "tinymist";
   # Please update the corresponding vscode extension when updating
   # this derivation.
-  version = "0.12.18";
+  version = "0.12.20";
 
   src = fetchFromGitHub {
     owner = "Myriad-Dreamin";
     repo = "tinymist";
     tag = "v${version}";
-    hash = "sha256-/QalLr4kerOe+KooKY+Vq6FaGJyzGvaUHhUSu+LTphA=";
+    hash = "sha256-MFAbG0K71LbMAZKZ0Bo9ms6UTPNetORmHlBwYAusUtE=";
   };
 
+  patches = [
+    # Fixes:
+    # cargo metadata failure: error: Package `tinymist-std v0.12.20 (/build/source/crates/tinymist-std)` does not have feature `wasm-bindgen`.
+    # It has an optional dependency with that name, but that dependency uses the "dep:" syntax in the features table, so it does not have an implicit feature with that name.
+    # https://github.com/Myriad-Dreamin/tinymist/pull/1363
+    (fetchpatch {
+      name = "fix-cargo-features";
+      url = "https://github.com/Myriad-Dreamin/tinymist/pull/1363/commits/96e0a15fa20f09734f2b8152977a1137f5469761.patch";
+      hash = "sha256-W3HzV0GGhGuX/V4rox32LSw6YJ2BLTAG16bF2pZ+xYs=";
+    })
+  ];
+
   useFetchCargoVendor = true;
-  cargoHash = "sha256-D4UWFg22lnkqozsWAQydNSnOpDlw5AUhGCHHfuyihfU=";
+  cargoHash = "sha256-mk6JQEDgY8ERKq7dy+HlU7go4ImeJpGONOBSjjHdD4g=";
 
   nativeBuildInputs = [
     installShellFiles