diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5f09ce63..dc9e5279 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,16 +25,14 @@ jobs:
         os:
           - ubuntu-18.04
         tool:
-          # NOTE: Specifying the version of valgrind is not supported.
-          - cargo-hack,cargo-llvm-cov,cargo-minimal-versions,parse-changelog,cross,shellcheck,shfmt,valgrind
+          # NOTE: Specifying the version of valgrind and wasm-pack is not supported.
+          - cargo-hack,cargo-llvm-cov,cargo-minimal-versions,parse-changelog,cross,shellcheck,shfmt,valgrind,wasm-pack
           - cargo-hack@0.5.10,cargo-llvm-cov@0.1.15,cargo-minimal-versions@0.1.1,parse-changelog@0.4.6,cross@0.2.1,shellcheck@0.8.0,shfmt@3.4.2
         include:
           - os: macos-10.15
-            tool: cargo-hack,cargo-llvm-cov,cargo-minimal-versions,parse-changelog,cross,shellcheck,shfmt
+            tool: cargo-hack,cargo-llvm-cov,cargo-minimal-versions,parse-changelog,cross,shellcheck,shfmt,wasm-pack
           - os: windows-2019
-            tool: cargo-hack,cargo-llvm-cov,cargo-minimal-versions,parse-changelog
-          - os: windows-2019
-            tool: cargo-hack@0.5.10,cargo-llvm-cov@0.1.15,cargo-minimal-versions@0.1.1,parse-changelog@0.4.6,cross@0.2.1
+            tool: cargo-hack,cargo-llvm-cov,cargo-minimal-versions,parse-changelog,cross
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 56a3afdf..45771f11 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,7 +10,7 @@ Note: In this file, do not use the hard wrap in the middle of a sentence for com
 
 ## [Unreleased]
 
-- Support `valgrind`.
+- Support `valgrind` and `wasm-pack`.
 
 ## [1.0.3] - 2022-01-06
 
diff --git a/README.md b/README.md
index f7bfa39e..dce8ac1f 100644
--- a/README.md
+++ b/README.md
@@ -74,6 +74,7 @@ https://spdx.org/licenses
 | [**shellcheck**](https://www.shellcheck.net) | `/usr/local/bin` | [GitHub Releases](https://github.com/koalaman/shellcheck/releases) | Linux, macOS | [GPL-3.0-or-later](https://github.com/koalaman/shellcheck/blob/HEAD/LICENSE) |
 | [**shfmt**](https://github.com/mvdan/sh) | `/usr/local/bin` | [GitHub Releases](https://github.com/mvdan/sh/releases) | Linux, macOS | [BSD-3-Clause](https://github.com/mvdan/sh/blob/HEAD/LICENSE) |
 | [**valgrind**](https://valgrind.org) | `/snap/bin` | [snap](https://snapcraft.io/install/valgrind/ubuntu) | Linux | [GPL-2.0-or-later](https://valgrind.org/docs/manual/license.gpl.html) |
+| [**wasm-pack**](https://github.com/rustwasm/wasm-pack) | `~/.cargo/bin` | [GitHub Releases](https://github.com/rustwasm/wasm-pack/releases) | Linux, macOS | [Apache-2.0](https://github.com/rustwasm/wasm-pack/blob/HEAD/LICENSE-APACHE) OR [MIT](https://github.com/rustwasm/wasm-pack/blob/HEAD/LICENSE-MIT) |
 
 <!-- TODO:
 | [**cmake**](https://cmake.org) | | [GitHub Releases](https://github.com/Kitware/CMake/releases) | Linux, macOS, Windows | [BSD-3-Clause](https://github.com/Kitware/CMake/blob/HEAD/Copyright.txt) |
diff --git a/main.sh b/main.sh
index 6d190751..d8725ba1 100755
--- a/main.sh
+++ b/main.sh
@@ -153,6 +153,15 @@ for tool in "${tools[@]}"; do
             # https://snapcraft.io/install/valgrind/ubuntu
             sudo snap install valgrind --classic
             ;;
+        wasm-pack)
+            # https://rustwasm.github.io/wasm-pack/installer
+            case "${OSTYPE}" in
+                linux* | darwin*) ;;
+                cygwin* | msys*) bail "${tool} for windows is not supported yet by this action" ;;
+                *) bail "unsupported OSTYPE '${OSTYPE}' for ${tool}" ;;
+            esac
+            retry curl --proto '=https' --tlsv1.2 -fsSL --retry 10 --retry-connrefused https://rustwasm.github.io/wasm-pack/installer/init.sh | sh
+            ;;
         *) bail "unsupported tool '${tool}'" ;;
     esac
 
diff --git a/tools/publish.sh b/tools/publish.sh
index a7ccd4d8..db0d7355 100755
--- a/tools/publish.sh
+++ b/tools/publish.sh
@@ -58,6 +58,7 @@ tools=(
     shellcheck
     shfmt
     valgrind
+    wasm-pack
 )
 
 (