diff --git a/sim/Cargo.toml b/sim/Cargo.toml
index b5e23fe..3928b36 100644
--- a/sim/Cargo.toml
+++ b/sim/Cargo.toml
@@ -18,7 +18,7 @@ wasm-opt = ["-Oz", "--enable-mutable-globals"]
 crate-type = ["cdylib", "rlib"]
 
 [dependencies]
-getrandom = { version = "0.2", features = ["js"] }
+getrandom = { version = "0.3", features = ["js"] }
 js-sys = "0.3"
 lazy_static = "1.4"
 num-traits = "0.2"