diff --git a/wasm/demo/.envrc b/wasm/demo/.envrc
new file mode 100644
index 000000000..928b937d3
--- /dev/null
+++ b/wasm/demo/.envrc
@@ -0,0 +1,2 @@
+export NODE_OPTIONS=--openssl-legacy-provider
+export PATH=$PATH:`pwd`/../../geckodriver