diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1ed3a57..216b248 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -122,18 +122,18 @@ jobs:
       - name: Install rust-src
         run: rustup component add rust-src
       - name: Test with panic backend (debug)
-        run: LITHIUM_BACKEND=panic ./cargo-wasi test --target wasm32-wasip1
+        run: LITHIUM_BACKEND=panic ci/cargo-wasi test --target wasm32-wasip1
       - name: Test with Itanium backend (debug)
-        run: LITHIUM_BACKEND=itanium ./cargo-wasi test --target wasm32-wasip1
+        run: LITHIUM_BACKEND=itanium ci/cargo-wasi test --target wasm32-wasip1
       - name: Test without std (debug)
-        run: ./cargo-wasi test --target wasm32-wasip1 --no-default-features
+        run: ci/cargo-wasi test --target wasm32-wasip1 --no-default-features
       # XXX: Upstream bug at https://github.com/rust-lang/rust/issues/132416
       # - name: Test with panic backend (release)
-      #   run: LITHIUM_BACKEND=panic ./cargo-wasi test --target wasm32-wasip1 --release
+      #   run: LITHIUM_BACKEND=panic ci/cargo-wasi test --target wasm32-wasip1 --release
       # - name: Test with Itanium backend (release)
-      #   run: LITHIUM_BACKEND=itanium ./cargo-wasi test --target wasm32-wasip1 --release
+      #   run: LITHIUM_BACKEND=itanium ci/cargo-wasi test --target wasm32-wasip1 --release
       # - name: Test without std (release)
-      #   run: ./cargo-wasi test --target wasm32-wasip1 --release --no-default-features
+      #   run: ci/cargo-wasi test --target wasm32-wasip1 --release --no-default-features
 
   darwin:
     runs-on: ${{ matrix.os }}
diff --git a/cargo-wasi b/cargo-wasi
deleted file mode 100755
index 5040826..0000000
--- a/cargo-wasi
+++ /dev/null
@@ -1,5 +0,0 @@
-#!/usr/bin/env bash
-export RUSTFLAGS="$RUSTFLAGS -C panic=unwind"
-export CARGO_TARGET_WASM32_WASIP1_RUNNER="node --no-warnings wasi.mjs preview1"
-export CARGO_TARGET_WASM32_WASIP2_RUNNER="node --no-warnings wasi.mjs preview2"
-exec cargo -Z build-std=core,std "$@"
diff --git a/ci/cargo-wasi b/ci/cargo-wasi
new file mode 100755
index 0000000..b358646
--- /dev/null
+++ b/ci/cargo-wasi
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+export RUSTFLAGS="$RUSTFLAGS -C panic=unwind"
+export CARGO_TARGET_WASM32_WASIP1_RUNNER="$(printf "node --no-warnings %q preview1" "$(dirname "$0")/wasi.mjs")"
+export CARGO_TARGET_WASM32_WASIP2_RUNNER="$(printf "node --no-warnings %q preview2" "$(dirname "$0")/wasi.mjs")"
+exec cargo -Z build-std=core,std "$@"
diff --git a/wasi.mjs b/ci/wasi.mjs
similarity index 100%
rename from wasi.mjs
rename to ci/wasi.mjs