diff --git a/.github/workflows/iroha2.yml b/.github/workflows/iroha2.yml
index bcefdebb473..787042c5f1e 100644
--- a/.github/workflows/iroha2.yml
+++ b/.github/workflows/iroha2.yml
@@ -6,6 +6,7 @@ on:
 
 env:
   CARGO_TERM_COLOR: always
+  RUSTC_BOOTSTRAP: 1
 
 jobs:
   coverage: