diff --git a/src/rust/rust-stream/Cargo.lock b/src/rust/rust-stream/Cargo.lock
index 5f225f0..cb86dab 100644
--- a/src/rust/rust-stream/Cargo.lock
+++ b/src/rust/rust-stream/Cargo.lock
@@ -136,9 +136,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.8.5"
+version = "0.8.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d82cfc11ce7f2c3faef78d8a684447b40d503d9681acebed6cb728d45940c4db"
+checksum = "0bf124c720b7686e3c2663cf54062ab0f68a88af2fb6a030e87e30bf721fcb38"
 dependencies = [
  "cfg-if",
  "lazy_static",
@@ -426,7 +426,7 @@ dependencies = [
 
 [[package]]
 name = "rust-stream"
-version = "3.4.0"
+version = "4.0.0"
 dependencies = [
  "colour",
  "core_affinity",