diff --git a/.github/workflows/ci-rs.yml b/.github/workflows/ci-rs.yml
index 02ee95918..e8cc5e220 100644
--- a/.github/workflows/ci-rs.yml
+++ b/.github/workflows/ci-rs.yml
@@ -239,8 +239,10 @@ jobs:
     needs: changes
     if: ${{ needs.changes.outputs.rust == 'true' && github.event_name == 'pull_request' }}
     uses: CQCL/hugrverse-actions/.github/workflows/rs-semver-checks.yml@ab/semver-checks
+    with:
+      apt-dependencies: capnproto
     secrets:
-        GITHUB_PAT: ${{ secrets.HUGRBOT_PAT }}
+      GITHUB_PAT: ${{ secrets.HUGRBOT_PAT }}
 
   # This is a meta job to mark successful completion of the required checks,
   # even if they are skipped due to no changes in the relevant files.