diff --git a/Cargo.lock b/Cargo.lock
index fb93766..b2bffaa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1911,10 +1911,11 @@ dependencies = [
 
 [[package]]
 name = "deno_unsync"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f36b4ef61a04ce201b925a5dffa90f88437d37fee4836c758470dd15ba7f05e"
+checksum = "d774fd83f26b24f0805a6ab8b26834a0d06ceac0db517b769b1e4633c96a2057"
 dependencies = [
+ "futures",
  "parking_lot",
  "tokio",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 8cb8caf..f7df694 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -168,7 +168,7 @@ paste = "1.0.15"
 
 # The deno runtime itself, and the webidl extension for the web APIs
 deno_core = "0.323.0"
-deno_unsync = "0.4.1"
+deno_unsync = "0.4.2"
 
 # For transpiling typescript
 deno_ast = { version = "=0.43.3", features = ["transpiling", "cjs"] }