diff --git a/.build.yml b/.build.yml
index f02f9a8..66fa7ab 100644
--- a/.build.yml
+++ b/.build.yml
@@ -1,14 +1,16 @@
 image: debian/stable
 packages:
-    - rustup
+    - curl
 
 sources:
   - https://git.sr.ht/~victormignot/yorokobot
 
 tasks:
   - setup: |
+      curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
       rustup toolchain install stable
       rustup default stable
+      source $HOME/.cargo/env
 
   - format-check: |
       cd yorokobot