diff --git a/Cargo.lock b/Cargo.lock
index 1e7bc66..d58eec4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -839,8 +839,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
 dependencies = [
  "cfg-if 1.0.0",
+ "js-sys",
  "libc",
  "wasi",
+ "wasm-bindgen",
 ]
 
 [[package]]
@@ -3055,6 +3057,7 @@ name = "valuescript_wasm"
 version = "0.1.0"
 dependencies = [
  "console_error_panic_hook",
+ "getrandom",
  "js-sys",
  "serde",
  "serde_json",
diff --git a/valuescript_wasm/Cargo.toml b/valuescript_wasm/Cargo.toml
index ee7c9be..bcd53ed 100644
--- a/valuescript_wasm/Cargo.toml
+++ b/valuescript_wasm/Cargo.toml
@@ -18,6 +18,7 @@ valuescript_vm = { path = "../valuescript_vm" }
 
 wasm-bindgen = "0.2.63"
 js-sys = "0.3.61"
+getrandom = { version = "0.2", features = ["js"] }
 
 # The `console_error_panic_hook` crate provides better debugging of panics by
 # logging them with `console.error`. This is great for development, but requires