diff --git a/README.md b/README.md
index f4152a5c..fbaf3072 100644
--- a/README.md
+++ b/README.md
@@ -125,10 +125,12 @@ To use this action in self-hosted runners or in containers, you will need to ins
 
 ## Related Projects
 
+- [cache-cargo-install-action]: GitHub Action for `cargo install` with cache.
 - [create-gh-release-action]: GitHub Action for creating GitHub Releases based on changelog.
 - [upload-rust-binary-action]: GitHub Action for building and uploading Rust binary to GitHub Releases.
 - [setup-cross-toolchain-action]: GitHub Action for setup toolchains for cross compilation and cross testing for Rust.
 
+[cache-cargo-install-action]: https://github.com/taiki-e/cache-cargo-install-action
 [cargo-binstall]: https://github.com/cargo-bins/cargo-binstall
 [create-gh-release-action]: https://github.com/taiki-e/create-gh-release-action
 [setup-cross-toolchain-action]: https://github.com/taiki-e/setup-cross-toolchain-action
diff --git a/main.js b/main.js
index 99cf8472..804c20d2 100644
--- a/main.js
+++ b/main.js
@@ -6,8 +6,9 @@
 // without docker before composite actions were supported. However, due to
 // various problems with composite actions, this trick is still needed:
 // - https://github.com/actions/runner/issues/665
-// - https://github.com/actions/runner/issues/1947
 // - https://github.com/actions/runner/issues/2185
+// Although there are ways to work around these like cache-cargo-install-action does:
+// https://github.com/taiki-e/cache-cargo-install-action/blob/v1.0.1/action.yml#L9-L11
 
 const { execFileSync } = require('child_process');