diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 29354d1..177218c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -80,3 +80,13 @@ jobs:
       - uses: dtolnay/rust-toolchain@nightly
       - run: cargo update -Z minimal-versions
       - run: cargo check --all-features
+
+  wasm:
+    name: WASM
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: wasm32-unknown-unknown
+      - run: cargo check --all-features --target wasm32-unknown-unknown
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7d6424b..14bcf55 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Enable semver checks in CI
 - Add `documentation` to `Cargo.toml`
 
+### Fixed
+
+- Fix WASM build
+
 ## [0.1.0](https://github.com/LDeakin/microfloat/releases/tag/v0.1.0) - 2026-04-28
 
 ### Added
diff --git a/Cargo.lock b/Cargo.lock
index a021887..61c4308 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -88,9 +88,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "899def5c37c4fd7b2664648c28120ecec138e4d395b459e5ca34f9cce2dd77fd"
 dependencies = [
  "cfg-if",
+ "js-sys",
  "libc",
  "r-efi",
  "wasip2",
+ "wasm-bindgen",
 ]
 
 [[package]]
@@ -136,6 +138,7 @@ name = "microfloat"
 version = "0.1.0"
 dependencies = [
  "bytemuck",
+ "getrandom",
  "libm",
  "num-traits",
  "proptest",
diff --git a/Cargo.toml b/Cargo.toml
index b52718c..2f9bb3f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,5 +34,8 @@ rand_distr = ["dep:rand", "dep:rand_distr"]
 [dev-dependencies]
 proptest = { version = "1.11", default-features = false, features = ["std"] }
 
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+getrandom = { version = "0.3", features = ["wasm_js"] }
+
 [package.metadata.docs.rs]
     all-features = true