diff --git a/spack.yaml b/spack.yaml
index 355c7e8d73b7cb3e38b6281dfd468d625595ec37..52849ca5283f95fbeda2d90954fccb5aff01b4bc 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -49,6 +49,7 @@ spack:
     - stow@2.3.1
     - tensorflow-lite@2.8.0 -xnnpack
     - xrootd@5.3.2 cxxstd=17 +python
+    - cppcoro@2021-01-13
   concretizer: 
     unify: true
   packages: