diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2ae0ef85..56707a43 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,19 +27,19 @@ jobs:
         tool:
           # Note: Specifying the version of valgrind is not supported.
           # cargo-watch is supported by cargo-binstall (through quickinstall)
-          - cargo-hack,cargo-llvm-cov,cargo-minimal-versions,parse-changelog,cross,nextest,protoc,shellcheck,shfmt,valgrind,wasm-pack,wasmtime,mdbook,mdbook-linkcheck,cargo-watch
-          - cargo-hack@0.5.17,cargo-llvm-cov@0.4.14,cargo-minimal-versions@0.1.5,parse-changelog@0.5.0,cross@0.2.4,nextest@0.9.11,protoc@3.21.4,shellcheck@0.8.0,shfmt@3.5.1,wasm-pack@0.10.3,wasmtime@0.39.1,mdbook@0.4.21,mdbook-linkcheck@0.7.6,cargo-watch@8.1.1
+          - cargo-hack,cargo-llvm-cov,cargo-minimal-versions,parse-changelog,cargo-udeps,cross,nextest,protoc,shellcheck,shfmt,valgrind,wasm-pack,wasmtime,mdbook,mdbook-linkcheck,cargo-watch
+          - cargo-hack@0.5.17,cargo-llvm-cov@0.4.14,cargo-minimal-versions@0.1.5,parse-changelog@0.5.0,cargo-udeps@0.1.30,cross@0.2.4,nextest@0.9.11,protoc@3.21.4,shellcheck@0.8.0,shfmt@3.5.1,wasm-pack@0.10.3,wasmtime@0.39.1,mdbook@0.4.21,mdbook-linkcheck@0.7.6,cargo-watch@8.1.1
           # Nextest supports basic version ranges as well
           - nextest@0.9
         include:
           # Note: mdBook binary is incompatible with ubuntu 18.04,
           # see https://github.com/rust-lang/mdBook/issues/1779
           - os: ubuntu-18.04
-            tool: cargo-hack,cargo-llvm-cov,cargo-minimal-versions,parse-changelog,cross,nextest,protoc,shellcheck,shfmt,valgrind,wasm-pack,wasmtime,mdbook-linkcheck,cargo-watch
+            tool: cargo-hack,cargo-llvm-cov,cargo-minimal-versions,parse-changelog,cargo-udeps,cross,nextest,protoc,shellcheck,shfmt,valgrind,wasm-pack,wasmtime,mdbook-linkcheck,cargo-watch
           - os: macos-11
-            tool: cargo-hack,cargo-llvm-cov,cargo-minimal-versions,parse-changelog,cross,nextest,protoc,shellcheck,shfmt,wasm-pack,wasmtime,mdbook,mdbook-linkcheck,cargo-watch
+            tool: cargo-hack,cargo-llvm-cov,cargo-minimal-versions,parse-changelog,cargo-udeps,cross,nextest,protoc,shellcheck,shfmt,wasm-pack,wasmtime,mdbook,mdbook-linkcheck,cargo-watch
           - os: windows-2019
-            tool: cargo-hack,cargo-llvm-cov,cargo-minimal-versions,parse-changelog,cross,nextest,protoc,shellcheck,shfmt,wasm-pack,wasmtime,mdbook,mdbook-linkcheck,cargo-watch
+            tool: cargo-hack,cargo-llvm-cov,cargo-minimal-versions,parse-changelog,cargo-udeps,cross,nextest,protoc,shellcheck,shfmt,wasm-pack,wasmtime,mdbook,mdbook-linkcheck,cargo-watch
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1a5f8c20..e22bc0f7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ Note: In this file, do not use the hard wrap in the middle of a sentence for com
 ## [Unreleased]
 
 - Update `cargo-hack@latest` to 0.5.17.
+- Support `cargo-udeps`.
 
 ## [1.10.4] - 2022-08-06
 
diff --git a/README.md b/README.md
index a3a2d09a..13e97e14 100644
--- a/README.md
+++ b/README.md
@@ -69,6 +69,7 @@ https://spdx.org/licenses
 | [**cargo-hack**](https://github.com/taiki-e/cargo-hack) | `$CARGO_HOME/bin` | [GitHub Releases](https://github.com/taiki-e/cargo-hack/releases) | Linux, macOS, Windows | [Apache-2.0](https://github.com/taiki-e/cargo-hack/blob/HEAD/LICENSE-APACHE) OR [MIT](https://github.com/taiki-e/cargo-hack/blob/HEAD/LICENSE-MIT) |
 | [**cargo-llvm-cov**](https://github.com/taiki-e/cargo-llvm-cov) | `$CARGO_HOME/bin` | [GitHub Releases](https://github.com/taiki-e/cargo-llvm-cov/releases) | Linux, macOS, Windows | [Apache-2.0](https://github.com/taiki-e/cargo-llvm-cov/blob/HEAD/LICENSE-APACHE) OR [MIT](https://github.com/taiki-e/cargo-llvm-cov/blob/HEAD/LICENSE-MIT) |
 | [**cargo-minimal-versions**](https://github.com/taiki-e/cargo-minimal-versions) | `$CARGO_HOME/bin` | [GitHub Releases](https://github.com/taiki-e/cargo-minimal-versions/releases) | Linux, macOS, Windows | [Apache-2.0](https://github.com/taiki-e/cargo-minimal-versions/blob/HEAD/LICENSE-APACHE) OR [MIT](https://github.com/taiki-e/cargo-minimal-versions/blob/HEAD/LICENSE-MIT) |
+| [**cargo-udeps**](https://github.com/est31/cargo-udeps) | `$CARGO_HOME/bin` | [GitHub Release](https://github.com/est31/cargo-udeps/releases) | Linux, macOS, Windows | [Apache-2.0 OR MIT](https://github.com/est31/cargo-udeps/blob/master/LICENSE) |
 | [**parse-changelog**](https://github.com/taiki-e/parse-changelog) | `$CARGO_HOME/bin` | [GitHub Releases](https://github.com/taiki-e/parse-changelog/releases) | Linux, macOS, Windows | [Apache-2.0](https://github.com/taiki-e/parse-changelog/blob/HEAD/LICENSE-APACHE) OR [MIT](https://github.com/taiki-e/parse-changelog/blob/HEAD/LICENSE-MIT) |
 | [**cargo-binstall**][cargo-binstall] | `$CARGO_HOME/bin` | [GitHub Releases](https://github.com/cargo-bins/cargo-binstall/releases) | Linux, macOS, Windows | [GPL-3.0](https://github.com/cargo-bins/cargo-binstall/blob/HEAD/LICENSE.txt) |
 | [**cross**](https://github.com/cross-rs/cross) | `$CARGO_HOME/bin` | [GitHub Releases](https://github.com/cross-rs/cross/releases) | Linux, macOS, Windows | [Apache-2.0](https://github.com/cross-rs/cross/blob/HEAD/LICENSE-APACHE) OR [MIT](https://github.com/cross-rs/cross/blob/HEAD/LICENSE-MIT) |
diff --git a/main.sh b/main.sh
index 7fc290b1..8b25899e 100755
--- a/main.sh
+++ b/main.sh
@@ -185,6 +185,32 @@ for tool in "${tools[@]}"; do
             url="https://github.com/${repo}/releases/download/v${version}/${tool}-${target}.tar.gz"
             download "${url}" "${cargo_bin}" "${tool}${exe}"
             ;;
+        cargo-udeps)
+            # https://github.com/est31/cargo-udeps/releases
+            latest_version="0.1.30"
+            repo="est31/${tool}"
+            case "${version}" in
+                latest) version="${latest_version}" ;;
+            esac
+            base_url="https://github.com/${repo}/releases/download/v${version}/${tool}-v${version}"
+            case "${OSTYPE}" in
+                linux*)
+                    target="x86_64-unknown-linux-gnu"
+                    url="${base_url}-${target}.tar.gz"
+                    ;;
+                darwin*)
+                    target="x86_64-apple-darwin"
+                    url="${base_url}-${target}.tar.gz"
+                    ;;
+                cygwin* | msys*)
+                    target="x86_64-pc-windows-msvc"
+                    url="${base_url}-${target}.zip"
+                    ;;
+                *) bail "unsupported OSTYPE '${OSTYPE}' for ${tool}" ;;
+            esac
+            # leading `./` is required for cargo-udeps to work
+            download "${url}" "${cargo_bin}" "./${tool}-v${version}-${target}/${tool}${exe}"
+            ;;
         cross)
             # https://github.com/cross-rs/cross/releases
             latest_version="0.2.4"
@@ -431,6 +457,7 @@ for tool in "${tools[@]}"; do
 
     info "${tool} installed at $(type -P "${bin}")"
     case "${bin}" in
+        "cargo-udeps${exe}") x cargo udeps --help | head -1 ;; # cargo-udeps v0.1.30 does not support --version option
         cargo-*) x cargo "${tool#cargo-}" --version ;;
         *) x "${tool}" --version ;;
     esac
diff --git a/tools/publish.sh b/tools/publish.sh
index 9a4ccc0c..11ac0816 100755
--- a/tools/publish.sh
+++ b/tools/publish.sh
@@ -80,6 +80,7 @@ tools=(
     cargo-hack
     cargo-llvm-cov
     cargo-minimal-versions
+    cargo-udeps
     parse-changelog
     cargo-binstall
     cross