diff --git a/etc/ci/buildbot_steps.yml b/etc/ci/buildbot_steps.yml
index 61d34750146..b80ed719e1f 100644
--- a/etc/ci/buildbot_steps.yml
+++ b/etc/ci/buildbot_steps.yml
@@ -1,6 +1,8 @@
 env:
   RUSTFLAGS: -Dwarnings
   CARGO_INCREMENTAL: "0"
+  CCACHE: sccache
+  RUSTC_WRAPPER: sccache
 
 mac-rel-wpt1:
   - ./mach clean-nightlies --keep 3 --force