diff --git a/Cargo.lock b/Cargo.lock
index a58537c..1e8be43 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -220,6 +220,7 @@ dependencies = [
 name = "chorus-macros"
 version = "0.1.0"
 dependencies = [
+ "async-trait",
  "quote",
  "syn 2.0.28",
 ]
diff --git a/chorus-macros/Cargo.lock b/chorus-macros/Cargo.lock
index 4aa96d3..0a84f90 100644
--- a/chorus-macros/Cargo.lock
+++ b/chorus-macros/Cargo.lock
@@ -2,10 +2,22 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "async-trait"
+version = "0.1.73"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc00ceb34980c03614e35a3a4e218276a0a824e911d07651cd0d858a51e8c0f0"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "chorus-macros"
 version = "0.1.0"
 dependencies = [
+ "async-trait",
  "quote",
  "syn",
 ]
diff --git a/chorus-macros/Cargo.toml b/chorus-macros/Cargo.toml
index cffffe1..dc04a10 100644
--- a/chorus-macros/Cargo.toml
+++ b/chorus-macros/Cargo.toml
@@ -9,3 +9,4 @@ proc-macro = true
 [dependencies]
 quote = "1"
 syn = "2"
+async-trait = "0.1.71"