diff --git a/docs/WASI-documents.md b/docs/WASI-documents.md
index 83ffd4acd2..bfe1e5afe4 100644
--- a/docs/WASI-documents.md
+++ b/docs/WASI-documents.md
@@ -5,9 +5,9 @@ To get started using WASI, see [the intro document](WASI-intro.md) and
 
 For more detail on what WASI is, see [the overview](WASI-overview.md).
 
-For specifics on the API, see the [API documentation](https://github.com/CraneStation/wasmtime-wasi/blob/wasi/docs/WASI-api.md).
+For specifics on the API, see the [API documentation](https://github.com/CraneStation/wasmtime/blob/master/docs/WASI-api.md).
 Additionally, a C header file describing the WASI API is
-[here](https://github.com/CraneStation/reference-sysroot-wasi/blob/misc/libc-bottom-half/headers/public/wasi/core.h).
+[here](https://github.com/CraneStation/wasi-sysroot/blob/wasi/libc-bottom-half/headers/public/wasi/core.h).
 
 For some discussion of capability-based design, see the [Capabilities document](WASI-capabilities.md).
 
diff --git a/docs/WASI-intro.md b/docs/WASI-intro.md
index bdf6d632a5..240b296a81 100644
--- a/docs/WASI-intro.md
+++ b/docs/WASI-intro.md
@@ -75,7 +75,7 @@ or `cargo run --bin wasmtime foo.wasm`.
 
 The polyfill is online [here](https://wasi.dev/polyfill/).
 
-The source is [here](https://github.com/CraneStation/wasmtime-wasi/tree/wasi/lib/wasi/sandboxed-system-primitives/polyfill).
+The source is [here](https://github.com/CraneStation/wasmtime/tree/master/wasmtime-wasi/js-polyfill).
 
 ## Where can I learn more?