diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index c3812c2d..b81bc627 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -42,7 +42,8 @@ jobs:
       - uses: swiftwasm/setup-swiftwasm@v1
         with:
           swift-version: "wasm-5.9.1-RELEASE"
-      - run: cargo build --manifest-path rust/Cargo.toml --target wasm32-wasi --release
+      #- run: cargo build --manifest-path rust/Cargo.toml --target wasm32-wasi --release
+      - run: scripts/ci/wasi-regen-swift.sh
       - uses: actions/upload-artifact@v4
         with:
           name: libuniffi_automerge-wasm32-unknown-wasi.a
diff --git a/scripts/ci/wasi-regen-swift.sh b/scripts/ci/wasi-regen-swift.sh
new file mode 100755
index 00000000..82af7b97
--- /dev/null
+++ b/scripts/ci/wasi-regen-swift.sh
@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+
+# This script is strictly for CI usage to support pull requests that update
+# the Rust core library. The headers need to be regenerated for the WASI build
+# explicitly, which is part of the release process for general purposes, but
+# may need an explicit one-off to correctly test a local build in CI.
+
+# bash "strict" mode
+# https://gist.github.com/mohanpedala/1e2ff5661761d3abd0385e8223e16425
+set -euxo pipefail
+
+THIS_SCRIPT_DIR="$( cd -- "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )"
+RUST_FOLDER="$THIS_SCRIPT_DIR/../../rust"
+
+FRAMEWORK_NAME="automergeFFI"
+
+SWIFT_FOLDER="$THIS_SCRIPT_DIR/../../AutomergeUniffi"
+cargo_build="cargo build --manifest-path ${RUST_FOLDER}/Cargo.toml"
+
+mkdir -p "${SWIFT_FOLDER}"
+
+echo "▸ Generate Swift Scaffolding Code"
+cargo run --manifest-path "$RUST_FOLDER/Cargo.toml"  \
+    --features=uniffi/cli \
+    --bin uniffi-bindgen generate \
+    "$RUST_FOLDER/src/automerge.udl" \
+    --language swift \
+    --out-dir "${SWIFT_FOLDER}"
+
+echo "▸ Building for wasm32-wasi"
+$cargo_build --target wasm32-wasi --locked --release
+
+# copies the generated header from AutomergeUniffi/automergeFFI.h to
+# Sources/_CAutomergeUniffi/include/automergeFFI.h within the project
+cp "${SWIFT_FOLDER}/automergeFFI.h" "${SWIFT_FOLDER}/../Sources/_CAutomergeUniffi/include"
+cp "${SWIFT_FOLDER}/automergeFFI.modulemap" "${SWIFT_FOLDER}/../Sources/_CAutomergeUniffi/include/module.modulemap"