diff --git a/prebuild.sh b/prebuild.sh
index c331e19..2defdc0 100755
--- a/prebuild.sh
+++ b/prebuild.sh
@@ -3,6 +3,14 @@ set -euo pipefail
 
 echo "==> Running prebuild tasks..."
 
+echo ""
+echo "--- GitHub Aggregator ---"
+if [ ! -d .venv ]; then
+  python3 -m venv .venv
+  .venv/bin/pip install -q pyyaml
+fi
+.venv/bin/python scripts/github-aggregator/aggregate.py
+
 echo ""
 echo "--- CV PDF ---"
 bash stefankoelle/pdf/build-pdf.sh