diff --git a/main.go b/main.go
index 1188d9d..65a706c 100644
--- a/main.go
+++ b/main.go
@@ -8,6 +8,7 @@ import (
 	"log"
 	"os"
 	"path/filepath"
+	"runtime"
 	"time"
 
 	humanize "github.com/dustin/go-humanize"
@@ -22,6 +23,7 @@ var codePhrase string
 var cr *croc.Croc
 
 func main() {
+	runtime.GOMAXPROCS(runtime.NumCPU())
 	app := cli.NewApp()
 	app.Name = "croc"
 	if version == "" {