diff --git a/Cargo.lock b/Cargo.lock
index 888a2659..a11896ed 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -34,9 +34,9 @@ dependencies = [
 
 [[package]]
 name = "async-channel"
-version = "1.8.0"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf46fee83e5ccffc220104713af3292ff9bc7c64c7de289f66dae8e38d826833"
+checksum = "81953c529336010edd6d8e358f886d9581267795c61b19475b71314bffa46d35"
 dependencies = [
  "concurrent-queue",
  "event-listener",
diff --git a/dropshot/Cargo.toml b/dropshot/Cargo.toml
index 9e2612af..f8481ce2 100644
--- a/dropshot/Cargo.toml
+++ b/dropshot/Cargo.toml
@@ -79,7 +79,7 @@ version = "0.8.12"
 features = [ "uuid1" ]
 
 [dev-dependencies]
-async-channel = "1.8.0"
+async-channel = "1.9.0"
 buf-list = "1.0.3"
 expectorate = "1.0.7"
 hyper-rustls = "0.24.0"