diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 2fb9d542..424dc969 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -63,6 +63,7 @@ test:cargo:
     # Set some cargo tuning here, because targets overwrite the 'variables'
     - "export CARGO_INCREMENTAL=true"
     - "export CARGO_PROFILE_RELEASE_CODEGEN_UNITS=16"
+    - "export CARGO_PROFILE_RELEASE_LTO=thin"
     - time cargo build --target $TARGET --release
     - 'mv "target/$TARGET/release/conduit" "conduit-$TARGET"'
   artifacts: