diff --git a/.github/workflows/pkcs7.yml b/.github/workflows/pkcs7.yml
index dd5805ada..ab6f73711 100644
--- a/.github/workflows/pkcs7.yml
+++ b/.github/workflows/pkcs7.yml
@@ -40,6 +40,11 @@ jobs:
       - uses: RustCrypto/actions/cargo-hack-install@master
       - run: cargo hack build --target ${{ matrix.target }} --feature-powerset
 
+  minimal-versions:
+    uses: RustCrypto/actions/.github/workflows/minimal-versions.yml@master
+    with:
+        working-directory: ${{ github.workflow }}
+
   test:
     runs-on: ubuntu-latest
     strategy: