diff --git a/code/cards/deck.go b/code/cards/deck.go
index 3243ae1..e17399b 100644
--- a/code/cards/deck.go
+++ b/code/cards/deck.go
@@ -3,10 +3,9 @@ package main
 import (
 	"fmt"
 	"io/ioutil"
-	"math/rand"
+	"math/rand/v2"
 	"os"
 	"strings"
-	"time"
 )
 
 // Create a new type of 'deck'
@@ -60,11 +59,8 @@ func newDeckFromFile(filename string) deck {
 }
 
 func (d deck) shuffle() {
-	source := rand.NewSource(time.Now().UnixNano())
-	r := rand.New(source)
-
 	for i := range d {
-		newPosition := r.Intn(len(d) - 1)
+		newPosition := rand.IntN(len(d) - 1)
 
 		d[i], d[newPosition] = d[newPosition], d[i]
 	}