diff --git a/README.md b/README.md
index 10d6a65fb..81d781fb4 100644
--- a/README.md
+++ b/README.md
@@ -216,3 +216,16 @@ cargo tarpaulin --out Html
 cargo nextest run
 ```
 
+# Build
+## CD
+See [`.github/workflows/release.yml`](.github/workflows/release.yml)
+
+## Local
+### iOS
+
+#### Prerequisites
+```sh
+rustup target add x86_64-apple-ios aarch64-apple-ios-sim
+```
+
+We build using [`scripts/build-ios.sh`](scripts/build-ios.sh)
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