diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 889c170..a2f90cf 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -20,3 +20,11 @@ jobs:
       run: cargo build --verbose --no-default-features --features=cache
     - name: Run tests
       run: cargo test --verbose --features=kzg-test
+    - name: test no_std
+      uses: dtolnay/rust-toolchain@stable
+      with:
+        targets: riscv32imac-unknown-none-elf
+      run: cargo check --target riscv32imac-unknown-none-elf --no-default-features
+    - name: check no-default-features
+      run: |
+          cargo check --no-default-features