diff --git a/update-ollama b/update-ollama
new file mode 100755
index 0000000..926d838
--- /dev/null
+++ b/update-ollama
@@ -0,0 +1,43 @@
+#!/bin/bash
+set -euo pipefail
+
+HOST="root@ollama-serve.loc"
+OVERRIDE_DIR="/etc/systemd/system/ollama.service.d"
+OVERRIDE_FILE="${OVERRIDE_DIR}/override.conf"
+
+for arg in "$@"; do
+  case "$arg" in
+    --help|-h)
+      cat <<'EOF'
+Usage: update-ollama [options]
+
+SSH to ollama-serve.loc, pull latest Ollama, and apply environment overrides
+via a systemd drop-in so they survive upgrades.
+
+Options:
+  -h, --help    Show this help message and exit
+EOF
+      exit 0
+      ;;
+  esac
+done
+
+ssh "${HOST}" bash -s <<'ENDSSH'
+set -euo pipefail
+
+echo "=== Updating Ollama ==="
+curl -fsSL https://ollama.com/install.sh | sh
+
+echo ""
+echo "=== Applying environment overrides (systemd drop-in) ==="
+mkdir -p /etc/systemd/system/ollama.service.d
+cat > /etc/systemd/system/ollama.service.d/override.conf <<'EOF'
+[Service]
+Environment="OLLAMA_CONTEXT_LENGTH=16384"
+Environment="OLLAMA_HOST=0.0.0.0"
+EOF
+
+systemctl daemon-reload
+systemctl restart ollama
+echo "Done."
+ENDSSH