diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index f264573..acdc6f1 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -34,6 +34,15 @@ jobs:
       - run: cargo check # hyper-rustls, ring
       - run: cargo test
 
+  fips:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: 1.67.0
+      - run: cargo check --lib --features fips
+
   msrv:
     runs-on: ubuntu-latest
     steps: