diff --git a/.drone.yml b/.drone.yml
index 23235e8..b2cf824 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -4,3 +4,5 @@ steps:
   - commands:
     - |
       nix-shell --run 'cargo xtest'
+    image: "monacoremo/nix:2020-04-05-05f09348-circleci"
+    name: test suite