diff --git a/.gitlab/CI/build.gitlab-ci.yml b/.gitlab/CI/build.gitlab-ci.yml
index a151dbd77a..ae4de19a44 100644
--- a/.gitlab/CI/build.gitlab-ci.yml
+++ b/.gitlab/CI/build.gitlab-ci.yml
@@ -130,6 +130,8 @@ coverage:
   - source $HOME/.cargo/env
   - cargo --version
   - rustup toolchain list
+  - rustup toolchain install stable-x86_64-apple-darwin
+  - rustup toolchain install stable-aarch64-apple-darwin
   - export DISABLE_GIT_LFS_CHECK=true
   - export VELOREN_ASSETS="$(pwd)/assets"
   - echo "VELOREN_ASSETS=$VELOREN_ASSETS"