diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 2db6b4ba1..88f57c235 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -34,10 +34,12 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Install Rust
-        uses: dtolnay/rust-toolchain@stable
+        uses: dtolnay/rust-toolchain@nightly
 
       - name: Build documentation
-        run: cargo doc --all-features
+        run: |
+          echo "RUSTDOCFLAGS='--cfg docsrs'" >> $GITHUB_ENV
+          cargo doc --features "serde zeroize const-default alloc"
 
       - name: Finalize documentation
         run: |