diff --git a/.build.yml b/.build.yml
index 66fa7ab..ce68b33 100644
--- a/.build.yml
+++ b/.build.yml
@@ -7,7 +7,7 @@ sources:
 
 tasks:
   - setup: |
-      curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
+      curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -y
       rustup toolchain install stable
       rustup default stable
       source $HOME/.cargo/env