diff --git a/2020/scripts/update-readme.sh b/2020/scripts/update-readme.sh
new file mode 100755
index 0000000..d04663c
--- /dev/null
+++ b/2020/scripts/update-readme.sh
@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+MAX_DAY=$(ls src/day* | tr -d 'a-z/. ' | sort -n | tail -1)
+(
+echo "# Results"
+echo
+for day in $(seq 1 ${MAX_DAY:?});
+do
+  echo "## Day ${day:?}"
+  echo "\`\`\`"
+  cargo aoc -d ${day:?} 2> /dev/null
+  echo "\`\`\`"
+  echo
+done) > README.md