diff --git a/.ci/build b/.ci/build
index adb1000f..02d9b9f4 100755
--- a/.ci/build
+++ b/.ci/build
@@ -2,6 +2,7 @@
 set -Eeuo pipefail
 
 export HOME=$(pwd)
+export CARGO_HOME=$(pwd)/.cargo
 echo Pre-build layout
 ls -laR .