diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 73d744851..7739217ad 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -134,6 +134,7 @@ jobs:
         -  { os: ubuntu-latest, name: 'No Concurrency', opt: '--disable-concurrency' }
         -  { os: ubuntu-latest, name: 'Heap Test',      opt: '--enable-debugheap  --enable-verifyheap' }
         -  { os: ubuntu-latest, name: 'Thin Build',     opt: '--enable-thin' }
+        -  { os: ubuntu-latest, name: 'Rng Libraries',  opt: '--enable-rnglibs' }
     steps:
     - name: Checkout
       uses: actions/checkout@v2