diff --git a/tests/build.yml b/tests/build.yml
index 674abf8c..308b821a 100644
--- a/tests/build.yml
+++ b/tests/build.yml
@@ -45,3 +45,9 @@ services:
   none:
     image: mailu/none:$VERSION
     build: ../core/none
+
+  docs:
+    image: mailu/docs:$VERSION
+    build:
+      context: ../
+      dockerfile: ../docs/Dockerfile