diff --git a/lib/Cargo.toml b/lib/Cargo.toml
index e47080b..7d44d06 100644
--- a/lib/Cargo.toml
+++ b/lib/Cargo.toml
@@ -27,3 +27,6 @@ stringreader = "0.1.1"
 
 [features]
 stream-json-parser = []
+
+[target.'cfg(all(target_family = "wasm", target_os = "unknown"))'.dependencies]
+getrandom = { version = "0.2.15", features = ["js"] }