diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d3566327b..1b47d2da1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,6 +8,10 @@ on:
   schedule:
     - cron: "0 6 * * 1-5"
 
+env:
+  CARGO_REGISTRIES_CRATES_IO_PROTOCOL: sparse
+  CARGO_PROFILE_DEV_DEBUG: false
+
 jobs:
   check_format:
     name: Check codebase format with clang-format