diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 575f4b8fdef..68d5c6b0296 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -36,6 +36,12 @@ jobs:
       - name: "Install: protobuf"
         run: brew install protobuf
 
+      - name: "Install: binaryen"
+        run: |
+          sudo wget -c https://github.com/WebAssembly/binaryen/releases/download/$BINARYEN_VERSION/binaryen-$BINARYEN_VERSION-x86_64-macos.tar.gz -O - | sudo tar -xz -C .
+          sudo cp binaryen-$BINARYEN_VERSION/bin/* /usr/local/bin
+          sudo cp binaryen-$BINARYEN_VERSION/lib/libbinaryen.dylib /usr/local/lib
+
       - name: "Install: Rust toolchain"
         uses: dsherret/rust-toolchain-file@v1