diff --git a/github/billing.go b/github/billing.go
index 2ce595d3349..0776358cdb2 100644
--- a/github/billing.go
+++ b/github/billing.go
@@ -87,7 +87,7 @@ type UsageItem struct {
 	Date           *string  `json:"date"`
 	Product        *string  `json:"product"`
 	SKU            *string  `json:"sku"`
-	Quantity       *int     `json:"quantity"`
+	Quantity       *float64 `json:"quantity"`
 	UnitType       *string  `json:"unitType"`
 	PricePerUnit   *float64 `json:"pricePerUnit"`
 	GrossAmount    *float64 `json:"grossAmount"`
diff --git a/github/billing_test.go b/github/billing_test.go
index 3e9c9e7fc42..3c29054840b 100644
--- a/github/billing_test.go
+++ b/github/billing_test.go
@@ -556,7 +556,7 @@ func TestBillingService_GetUsageReportOrg(t *testing.T) {
 				Date:             Ptr("2023-08-01"),
 				Product:          Ptr("Actions"),
 				SKU:              Ptr("Actions Linux"),
-				Quantity:         Ptr(100),
+				Quantity:         Ptr(100.0),
 				UnitType:         Ptr("minutes"),
 				PricePerUnit:     Ptr(0.008),
 				GrossAmount:      Ptr(0.8),
@@ -637,7 +637,7 @@ func TestBillingService_GetUsageReportUser(t *testing.T) {
 				Date:           Ptr("2023-08-15"),
 				Product:        Ptr("Codespaces"),
 				SKU:            Ptr("Codespaces Linux"),
-				Quantity:       Ptr(50),
+				Quantity:       Ptr(50.0),
 				UnitType:       Ptr("hours"),
 				PricePerUnit:   Ptr(0.18),
 				GrossAmount:    Ptr(9.0),
diff --git a/github/github-accessors.go b/github/github-accessors.go
index 2b832617c85..57e2d07dfc8 100644
--- a/github/github-accessors.go
+++ b/github/github-accessors.go
@@ -27630,12 +27630,12 @@ func (u *UsageItem) GetProduct() string {
 	return *u.Product
 }
 
-// GetQuantity returns the Quantity field if it's non-nil, zero value otherwise.
-func (u *UsageItem) GetQuantity() int {
-	if u == nil || u.Quantity == nil {
-		return 0
+// GetQuantity returns the Quantity field.
+func (u *UsageItem) GetQuantity() *float64 {
+	if u == nil {
+		return nil
 	}
-	return *u.Quantity
+	return u.Quantity
 }
 
 // GetRepositoryName returns the RepositoryName field if it's non-nil, zero value otherwise.
diff --git a/github/github-accessors_test.go b/github/github-accessors_test.go
index c0b94a55148..1e66350a1d7 100644
--- a/github/github-accessors_test.go
+++ b/github/github-accessors_test.go
@@ -35523,10 +35523,7 @@ func TestUsageItem_GetProduct(tt *testing.T) {
 
 func TestUsageItem_GetQuantity(tt *testing.T) {
 	tt.Parallel()
-	var zeroValue int
-	u := &UsageItem{Quantity: &zeroValue}
-	u.GetQuantity()
-	u = &UsageItem{}
+	u := &UsageItem{}
 	u.GetQuantity()
 	u = nil
 	u.GetQuantity()