diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bb955525b61..f53b2e8127a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -49,7 +49,7 @@ jobs:
         if: matrix.target == 'x86_64-unknown-linux-gnu'
 
       - name: Run tests
-        run: cargo test --features serde-extensions,virt
+        run: cargo test --features serde-extensions,virt,p384,p521
         if: matrix.target == 'x86_64-unknown-linux-gnu'
 
       - name: Check formatting