diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ca83f9b4..99436b72 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -52,6 +52,12 @@ jobs:
         command:  check
         args: --no-default-features --features std
 
+    - name: check attributes
+      uses: actions-rs/cargo@v1
+      with:
+        command:  check
+        args: --features attributes
+
     - name: tests
       uses: actions-rs/cargo@v1
       with:
diff --git a/Cargo.toml b/Cargo.toml
index 48b7d0b6..bdbeafa6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,8 +34,9 @@ default = [
   "num_cpus",
   "pin-project-lite",
 ]
-docs = ["unstable"]
+docs = ["attributes", "unstable"]
 unstable = ["default", "broadcaster"]
+attributes = ["async-attributes"]
 std = [
   "async-macros",
   "crossbeam-utils",