diff --git a/src/lightproc/Cargo.toml b/src/lightproc/Cargo.toml
index 50254302..0431546b 100644
--- a/src/lightproc/Cargo.toml
+++ b/src/lightproc/Cargo.toml
@@ -20,6 +20,6 @@ crossbeam-utils = "0.7"
 pin-utils = "0.1.0"
 
 [dev-dependencies]
-crossbeam = "0.7"
+crossbeam = "0.8"
 futures-executor = "0.3"
 lazy_static = "1.4.0"