diff --git a/run-tests.js b/run-tests.js
index b5c9a56..6011cdc 100644
--- a/run-tests.js
+++ b/run-tests.js
@@ -4,5 +4,7 @@ const { formatPrice } = require('./src/format-price');
 assert.strictEqual(formatPrice(1250), '$12.50');
 assert.strictEqual(formatPrice(1005), '$10.05');
 assert.strictEqual(formatPrice(999), '$9.99');
+assert.strictEqual(formatPrice(5), '$0.05');
+assert.strictEqual(formatPrice(100), '$1.00');
 
 console.log('all price tests passed');
diff --git a/src/format-price.js b/src/format-price.js
index 86851d8..3181046 100644
--- a/src/format-price.js
+++ b/src/format-price.js
@@ -2,7 +2,7 @@
 function formatPrice(cents) {
   const dollars = Math.floor(cents / 100);
   const rem = cents % 100;
-  return '$' + dollars + '.' + rem;
+  return '$' + dollars + '.' + String(rem).padStart(2, '0');
 }
 
 module.exports = { formatPrice };