diff --git a/opts.go b/opts.go
index 1a6614d..5554b34 100644
--- a/opts.go
+++ b/opts.go
@@ -1,9 +1,9 @@
 package promqlsmith
 
 import (
-	"github.com/prometheus/prometheus/model/labels"
 	"time"
 
+	"github.com/prometheus/prometheus/model/labels"
 	"github.com/prometheus/prometheus/promql/parser"
 	"golang.org/x/exp/slices"
 )
diff --git a/walk.go b/walk.go
index c9c93d3..71c707a 100644
--- a/walk.go
+++ b/walk.go
@@ -2,14 +2,15 @@ package promqlsmith
 
 import (
 	"fmt"
-	"github.com/prometheus/prometheus/model/labels"
-	"github.com/prometheus/prometheus/promql/parser"
-	"github.com/prometheus/prometheus/storage"
-	"golang.org/x/exp/slices"
 	"math/rand"
 	"sort"
 	"strings"
 	"time"
+
+	"github.com/prometheus/prometheus/model/labels"
+	"github.com/prometheus/prometheus/promql/parser"
+	"github.com/prometheus/prometheus/storage"
+	"golang.org/x/exp/slices"
 )
 
 const (