diff --git a/.github/workflows/update.yml b/.github/workflows/update.yml
index 214cdf2..c3e2911 100644
--- a/.github/workflows/update.yml
+++ b/.github/workflows/update.yml
@@ -101,7 +101,7 @@ jobs:
 
       - run: |
           echo "# System Diff" >> $GITHUB_STEP_SUMMARY
-          diff=$(nix store diff-closures ./current ./updated)
+          diff=$(nix run "nixpkgs#nvd" ./current ./updated)
           echo "$diff"
           echo "$diff" >> summary.md
           echo "$diff" | sed 's/\x1B\[[0-9;]\{1,\}[A-Za-z]//g' >> $GITHUB_STEP_SUMMARY