diff --git a/Cargo.lock b/Cargo.lock
index f85587b76f..114023518d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3574,7 +3574,7 @@ name = "solana-accounts-bench"
 version = "1.1.0"
 dependencies = [
  "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-channel 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-channel 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/accounts-bench/Cargo.toml b/accounts-bench/Cargo.toml
index c96bfb9f4f..cc9591164e 100644
--- a/accounts-bench/Cargo.toml
+++ b/accounts-bench/Cargo.toml
@@ -16,4 +16,4 @@ solana-measure = { path = "../measure", version = "1.1.0" }
 solana-sdk = { path = "../sdk", version = "1.1.0" }
 rand = "0.6.5"
 clap = "2.33.0"
-crossbeam-channel = "0.3"
+crossbeam-channel = "0.4"