diff --git a/tools/argument-comment-lint/README.md b/tools/argument-comment-lint/README.md
index 0cf46543bc..60d5145037 100644
--- a/tools/argument-comment-lint/README.md
+++ b/tools/argument-comment-lint/README.md
@@ -83,7 +83,7 @@ The package is not a full Rust toolchain. Running the prebuilt path still
 requires the pinned nightly toolchain to be installed via `rustup`:
 
 ```bash
-rustup toolchain install nightly-2025-09-18 \
+rustup toolchain install nightly-2026-08-20 \
   --component llvm-tools-preview \
   --component rustc-dev \
   --component rust-src
@@ -105,7 +105,7 @@ argument-comment-lint/
     argument-comment-lint
     cargo-dylint
   lib/
-    libargument_comment_lint@nightly-2025-09-18-<target>.dylib|so
+    libargument_comment_lint@<nightly>-<target>.dylib|so
 ```
 
 On Windows the same layout is published as a `.zip`, with `.exe` and `.dll`
@@ -114,13 +114,13 @@ filenames instead.
 DotSlash resolves the package entrypoint to `argument-comment-lint/bin/argument-comment-lint`
 (or `.exe` on Windows). That runner finds the sibling bundled `cargo-dylint`
 binary and the single packaged Dylint library under `lib/`, normalizes the
-host-qualified nightly filename to the plain `nightly-2025-09-18` channel when
+library filename to the nightly channel without the host triple when
 needed, and then invokes `cargo-dylint dylint --lib-path <that-library>` with
 the repo's default `DYLINT_RUSTFLAGS` and `CARGO_INCREMENTAL=0` settings.
 
-The checked-in `run-prebuilt-linter.py` wrapper uses the fetched package
-contents directly so the current checked-in alpha artifact works the same way.
-It also makes sure the `rustup` shims stay ahead of any direct toolchain
+The repository's `run-prebuilt-linter.py` wrapper invokes the bundled
+`cargo-dylint` and normalizes the library filename itself. It makes sure
+the `rustup` shims stay ahead of any direct toolchain
 `cargo` binary on `PATH`, and sets `RUSTUP_HOME` from `rustup show home` when
 the environment does not already provide it. That extra `RUSTUP_HOME` export is
 required for the current Windows Dylint driver path.
diff --git a/tools/argument-comment-lint/argument-comment-lint b/tools/argument-comment-lint/argument-comment-lint
index 602117e3ce..d74876027b 100755
--- a/tools/argument-comment-lint/argument-comment-lint
+++ b/tools/argument-comment-lint/argument-comment-lint
@@ -4,73 +4,73 @@
   "name": "argument-comment-lint",
   "platforms": {
     "macos-aarch64": {
-      "size": 3402747,
+      "size": 3342901,
       "hash": "blake3",
-      "digest": "a11669d2f184a2c6f226cedce1bf10d1ec478d53413c42fe80d17dd873fdb2d7",
+      "digest": "eba9eb7196d34af64ef282f33f1588000857e9161a19ba9447038ef5e623bd99",
       "format": "tar.gz",
       "path": "argument-comment-lint/bin/argument-comment-lint",
       "providers": [
         {
-          "url": "https://github.com/openai/codex/releases/download/rust-v0.117.0-alpha.2/argument-comment-lint-aarch64-apple-darwin.tar.gz"
+          "url": "https://github.com/openai/codex/releases/download/rust-v0.164.0/argument-comment-lint-aarch64-apple-darwin.tar.gz"
         },
         {
           "type": "github-release",
           "repo": "https://github.com/openai/codex",
-          "tag": "rust-v0.117.0-alpha.2",
+          "tag": "rust-v0.164.0",
           "name": "argument-comment-lint-aarch64-apple-darwin.tar.gz"
         }
       ]
     },
     "linux-x86_64": {
-      "size": 3869711,
+      "size": 3809665,
       "hash": "blake3",
-      "digest": "1015f4ba07d57edc5ec79c8f6709ddc1516f64c903e909820437a4b89d8d853a",
+      "digest": "f8c51999175df9bfd545b5454356c1bba62e0957d99ef06198a93283c01dc560",
       "format": "tar.gz",
       "path": "argument-comment-lint/bin/argument-comment-lint",
       "providers": [
         {
-          "url": "https://github.com/openai/codex/releases/download/rust-v0.117.0-alpha.2/argument-comment-lint-x86_64-unknown-linux-gnu.tar.gz"
+          "url": "https://github.com/openai/codex/releases/download/rust-v0.164.0/argument-comment-lint-x86_64-unknown-linux-gnu.tar.gz"
         },
         {
           "type": "github-release",
           "repo": "https://github.com/openai/codex",
-          "tag": "rust-v0.117.0-alpha.2",
+          "tag": "rust-v0.164.0",
           "name": "argument-comment-lint-x86_64-unknown-linux-gnu.tar.gz"
         }
       ]
     },
     "linux-aarch64": {
-      "size": 3759446,
+      "size": 3735760,
       "hash": "blake3",
-      "digest": "91f2a31e6390ca728ad09ae1aa6b6f379c67d996efcc22956001df89f068af5b",
+      "digest": "350baa8efbef8f743da3f74947e3598d0fe79666cefc4fcec25618e01c74e5cb",
       "format": "tar.gz",
       "path": "argument-comment-lint/bin/argument-comment-lint",
       "providers": [
         {
-          "url": "https://github.com/openai/codex/releases/download/rust-v0.117.0-alpha.2/argument-comment-lint-aarch64-unknown-linux-gnu.tar.gz"
+          "url": "https://github.com/openai/codex/releases/download/rust-v0.164.0/argument-comment-lint-aarch64-unknown-linux-gnu.tar.gz"
         },
         {
           "type": "github-release",
           "repo": "https://github.com/openai/codex",
-          "tag": "rust-v0.117.0-alpha.2",
+          "tag": "rust-v0.164.0",
           "name": "argument-comment-lint-aarch64-unknown-linux-gnu.tar.gz"
         }
       ]
     },
     "windows-x86_64": {
-      "size": 3244599,
+      "size": 3271160,
       "hash": "blake3",
-      "digest": "dc711c6d85b1cabbe52447dda3872deb20c2e64b155da8be0ecb207c7c391683",
+      "digest": "a2d1c8f71d9acf3885dd469876a249b769dd93e117c7a43192994e18d43e9027",
       "format": "zip",
       "path": "argument-comment-lint/bin/argument-comment-lint.exe",
       "providers": [
         {
-          "url": "https://github.com/openai/codex/releases/download/rust-v0.117.0-alpha.2/argument-comment-lint-x86_64-pc-windows-msvc.zip"
+          "url": "https://github.com/openai/codex/releases/download/rust-v0.164.0/argument-comment-lint-x86_64-pc-windows-msvc.zip"
         },
         {
           "type": "github-release",
           "repo": "https://github.com/openai/codex",
-          "tag": "rust-v0.117.0-alpha.2",
+          "tag": "rust-v0.164.0",
           "name": "argument-comment-lint-x86_64-pc-windows-msvc.zip"
         }
       ]