diff --git a/rust/scripts/regenerate-bindings-from-witx.sh b/rust/scripts/regenerate-bindings-from-witx.sh
index 93affd0..9ef6353 100755
--- a/rust/scripts/regenerate-bindings-from-witx.sh
+++ b/rust/scripts/regenerate-bindings-from-witx.sh
@@ -11,7 +11,7 @@ set -e
 # The following environment variables can be overriden from the command line. Note that `*_REVISION`
 # variables accept a commit hash, a branch, a tag, etc.
 WITX_BINDGEN_REPOSITORY=${WITX_BINDGEN_REPOSITORY:-https://github.com/bytecodealliance/wasi}
-WITX_BINDGEN_REVISION=${WITX_BINDGEN_REVISION:-main}
+WITX_BINDGEN_REVISION=${WITX_BINDGEN_REVISION:-9ec04a7d8ebb1bbb9e3291503425cee1ec38a560}
 WASI_NN_RAW_URL=${WASI_NN_RAW_URL:-https://raw.githubusercontent.com/WebAssembly/wasi-nn}
 WASI_NN_REVISION=${WASI_NN_REVISION:-main}