diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 868869f..da452c6 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -57,11 +57,11 @@ jobs:
         with:
           toolchain: '${{matrix.rust}}'
       - name: Build and test all crates
-        run: cargo test -vv --workspace
+        run: cargo test -vv --workspace ${{matrix.rust == 'nightly' &&  '--features unstable' }}
       - name: Build and test all docs
-        run: cargo test -vv --workspace --doc
+        run: cargo test -vv --workspace --doc "${{matrix.rust == 'nightly' && '--features' && 'unstable' }}"
       - name: Build examples
-        run: cargo b --examples --verbose
+        run: cargo b --examples --verbose "${{matrix.rust == 'nightly' && '--features' && 'unstable' }}"
 
   bench:
     name: Benchmark
@@ -79,7 +79,7 @@ jobs:
         with:
           toolchain: '${{matrix.rust}}'
       - name: Build and bench
-        run: cargo bench -vv --workspace
+        run: cargo bench -vv --workspace --features unstable
 
   audit:
     name: Audit