diff --git a/.github/workflows/concrete_python_release_cpu.yml b/.github/workflows/concrete_python_release_cpu.yml
index 9922fc550e..638d1271d7 100644
--- a/.github/workflows/concrete_python_release_cpu.yml
+++ b/.github/workflows/concrete_python_release_cpu.yml
@@ -300,6 +300,9 @@ jobs:
     steps:
       - name: Install rust
         uses: actions-rs/toolchain@16499b5e05bf2e26879000db0c1d13f7e13fa3af # v1.0.7
+        with:
+          toolchain: nightly
+          default: true
       - name: Setup Python
         uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
         with: