diff --git a/communication/Cargo.toml b/communication/Cargo.toml
index 1dbf86193..d12534c28 100644
--- a/communication/Cargo.toml
+++ b/communication/Cargo.toml
@@ -25,4 +25,4 @@ abomonation = "0.7"
 abomonation_derive = "0.5"
 timely_bytes = { path = "../bytes", version = "0.11" }
 timely_logging = { path = "../logging", version = "0.11" }
-crossbeam-channel = "0.4.3"
+crossbeam-channel = "0.5.0"
diff --git a/timely/Cargo.toml b/timely/Cargo.toml
index 990863666..0d2762709 100644
--- a/timely/Cargo.toml
+++ b/timely/Cargo.toml
@@ -26,7 +26,7 @@ abomonation_derive = "0.5"
 timely_bytes = { path = "../bytes", version = "0.11" }
 timely_logging = { path = "../logging", version = "0.11" }
 timely_communication = { path = "../communication", version = "0.11" }
-crossbeam-channel = "0.4.3"
+crossbeam-channel = "0.5.0"
 
 [dev-dependencies]
 timely_sort="0.1.6"