diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dbeef1ae5c..d40c2222a3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -149,3 +149,37 @@ jobs:
         with:
           command: test
           args: --all-features
+
+  wasm:
+    name: WebAssembly
+    strategy:
+      matrix:
+        crate:
+          - fj
+          - fj-export
+          - fj-interop
+          - fj-kernel
+          - fj-math
+          - fj-operations
+          - fj-proc
+          - fj-viewer
+          - fj-window
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v3
+      - name: Set up toolchain
+        uses: oxidecomputer/actions-rs_toolchain@oxide/master
+        # see https://github.com/actions-rs/toolchain/pull/209
+        # uses: actions-rs/toolchain@v1
+        with:
+          override: true
+          profile: minimal
+          target: ${{ matrix.target }}
+      - name: Set up Rust cache
+        uses: Swatinem/rust-cache@1232abb8968faf344409165de17cbf9e7f340fd8
+      - name: Run `cargo build`
+        uses: actions-rs/cargo@4ff6ec2846f6e7217c1a9b0b503506665f134c4b
+        with:
+          command: build
+          args: --all-features -D warnings -p ${{ matrix.crate }}