diff --git a/github/apps_marketplace.go b/github/apps_marketplace.go
index 3f35b915576..6dd568a2dc0 100644
--- a/github/apps_marketplace.go
+++ b/github/apps_marketplace.go
@@ -27,36 +27,52 @@ type MarketplaceService struct {
 
 // MarketplacePlan represents a GitHub Apps Marketplace Listing Plan.
 type MarketplacePlan struct {
-	URL                 *string   `json:"url,omitempty"`
-	AccountsURL         *string   `json:"accounts_url,omitempty"`
-	ID                  *int64    `json:"id,omitempty"`
-	Name                *string   `json:"name,omitempty"`
-	Description         *string   `json:"description,omitempty"`
-	MonthlyPriceInCents *int      `json:"monthly_price_in_cents,omitempty"`
-	YearlyPriceInCents  *int      `json:"yearly_price_in_cents,omitempty"`
-	PriceModel          *string   `json:"price_model,omitempty"`
-	UnitName            *string   `json:"unit_name,omitempty"`
-	Bullets             *[]string `json:"bullets,omitempty"`
+	URL                 *string `json:"url,omitempty"`
+	AccountsURL         *string `json:"accounts_url,omitempty"`
+	ID                  *int64  `json:"id,omitempty"`
+	Name                *string `json:"name,omitempty"`
+	Description         *string `json:"description,omitempty"`
+	MonthlyPriceInCents *int    `json:"monthly_price_in_cents,omitempty"`
+	YearlyPriceInCents  *int    `json:"yearly_price_in_cents,omitempty"`
+	// The pricing model for this listing.  Can be one of "flat-rate", "per-unit", or "free".
+	PriceModel *string   `json:"price_model,omitempty"`
+	UnitName   *string   `json:"unit_name,omitempty"`
+	Bullets    *[]string `json:"bullets,omitempty"`
+	// State can be one of the values "draft" or "published".
+	State        *string `json:"state,omitempty"`
+	HasFreeTrial *bool   `json:"has_free_trial,omitempty"`
 }
 
 // MarketplacePurchase represents a GitHub Apps Marketplace Purchase.
 type MarketplacePurchase struct {
+	// BillingCycle can be one of the values "yearly", "monthly" or nil.
 	BillingCycle    *string                 `json:"billing_cycle,omitempty"`
-	NextBillingDate *string                 `json:"next_billing_date,omitempty"`
+	NextBillingDate *Timestamp              `json:"next_billing_date,omitempty"`
 	UnitCount       *int                    `json:"unit_count,omitempty"`
 	Plan            *MarketplacePlan        `json:"plan,omitempty"`
 	Account         *MarketplacePlanAccount `json:"account,omitempty"`
+	OnFreeTrial     *bool                   `json:"on_free_trial,omitempty"`
+	FreeTrialEndsOn *Timestamp              `json:"free_trial_ends_on,omitempty"`
+}
+
+// MarketplacePendingChange represents a pending change to a GitHub Apps Marketplace Plan.
+type MarketplacePendingChange struct {
+	EffectiveDate *Timestamp       `json:"effective_date,omitempty"`
+	UnitCount     *int             `json:"unit_count,omitempty"`
+	ID            *int64           `json:"id,omitempty"`
+	Plan          *MarketplacePlan `json:"plan,omitempty"`
 }
 
 // MarketplacePlanAccount represents a GitHub Account (user or organization) on a specific plan.
 type MarketplacePlanAccount struct {
-	URL                      *string              `json:"url,omitempty"`
-	Type                     *string              `json:"type,omitempty"`
-	ID                       *int64               `json:"id,omitempty"`
-	Login                    *string              `json:"login,omitempty"`
-	Email                    *string              `json:"email,omitempty"`
-	OrganizationBillingEmail *string              `json:"organization_billing_email,omitempty"`
-	MarketplacePurchase      *MarketplacePurchase `json:"marketplace_purchase,omitempty"`
+	URL                      *string                   `json:"url,omitempty"`
+	Type                     *string                   `json:"type,omitempty"`
+	ID                       *int64                    `json:"id,omitempty"`
+	Login                    *string                   `json:"login,omitempty"`
+	Email                    *string                   `json:"email,omitempty"`
+	OrganizationBillingEmail *string                   `json:"organization_billing_email,omitempty"`
+	MarketplacePurchase      *MarketplacePurchase      `json:"marketplace_purchase,omitempty"`
+	MarketplacePendingChange *MarketplacePendingChange `json:"marketplace_pending_change,omitempty"`
 }
 
 // ListPlans lists all plans for your Marketplace listing.
@@ -155,7 +171,6 @@ func (s *MarketplaceService) ListMarketplacePurchasesForUser(ctx context.Context
 	if err != nil {
 		return nil, resp, err
 	}
-
 	return purchases, resp, nil
 }
 
diff --git a/github/apps_marketplace_test.go b/github/apps_marketplace_test.go
index 0c1f86c7c00..e293c83a16d 100644
--- a/github/apps_marketplace_test.go
+++ b/github/apps_marketplace_test.go
@@ -111,7 +111,7 @@ func TestMarketplaceService_ListPlanAccountsForAccount(t *testing.T) {
 
 	mux.HandleFunc("/marketplace_listing/accounts/1", func(w http.ResponseWriter, r *http.Request) {
 		testMethod(t, r, "GET")
-		fmt.Fprint(w, `[{"id":1}]`)
+		fmt.Fprint(w, `[{"id":1, "marketplace_pending_change": {"id": 77}}]`)
 	})
 
 	opt := &ListOptions{Page: 1, PerPage: 2}
@@ -121,7 +121,7 @@ func TestMarketplaceService_ListPlanAccountsForAccount(t *testing.T) {
 		t.Errorf("Marketplace.ListPlanAccountsForAccount returned error: %v", err)
 	}
 
-	want := []*MarketplacePlanAccount{{ID: Int64(1)}}
+	want := []*MarketplacePlanAccount{{ID: Int64(1), MarketplacePendingChange: &MarketplacePendingChange{ID: Int64(77)}}}
 	if !reflect.DeepEqual(accounts, want) {
 		t.Errorf("Marketplace.ListPlanAccountsForAccount returned %+v, want %+v", accounts, want)
 	}
diff --git a/github/event_types.go b/github/event_types.go
index 1792f43c732..d3f7d332025 100644
--- a/github/event_types.go
+++ b/github/event_types.go
@@ -308,7 +308,7 @@ type LabelEvent struct {
 // Github API docs: https://developer.github.com/v3/activity/events/types/#marketplacepurchaseevent
 type MarketplacePurchaseEvent struct {
 	// Action is the action that was performed. Possible values are:
-	// "purchased", "cancelled", "changed".
+	// "purchased", "cancelled", "pending_change", "pending_change_cancelled", "changed".
 	Action *string `json:"action,omitempty"`
 
 	// The following fields are only populated by Webhook events.
diff --git a/github/github-accessors.go b/github/github-accessors.go
index 62573892958..4791098b0b3 100644
--- a/github/github-accessors.go
+++ b/github/github-accessors.go
@@ -4644,6 +4644,38 @@ func (l *ListCheckSuiteResults) GetTotal() int {
 	return *l.Total
 }
 
+// GetEffectiveDate returns the EffectiveDate field if it's non-nil, zero value otherwise.
+func (m *MarketplacePendingChange) GetEffectiveDate() Timestamp {
+	if m == nil || m.EffectiveDate == nil {
+		return Timestamp{}
+	}
+	return *m.EffectiveDate
+}
+
+// GetID returns the ID field if it's non-nil, zero value otherwise.
+func (m *MarketplacePendingChange) GetID() int64 {
+	if m == nil || m.ID == nil {
+		return 0
+	}
+	return *m.ID
+}
+
+// GetPlan returns the Plan field.
+func (m *MarketplacePendingChange) GetPlan() *MarketplacePlan {
+	if m == nil {
+		return nil
+	}
+	return m.Plan
+}
+
+// GetUnitCount returns the UnitCount field if it's non-nil, zero value otherwise.
+func (m *MarketplacePendingChange) GetUnitCount() int {
+	if m == nil || m.UnitCount == nil {
+		return 0
+	}
+	return *m.UnitCount
+}
+
 // GetAccountsURL returns the AccountsURL field if it's non-nil, zero value otherwise.
 func (m *MarketplacePlan) GetAccountsURL() string {
 	if m == nil || m.AccountsURL == nil {
@@ -4668,6 +4700,14 @@ func (m *MarketplacePlan) GetDescription() string {
 	return *m.Description
 }
 
+// GetHasFreeTrial returns the HasFreeTrial field if it's non-nil, zero value otherwise.
+func (m *MarketplacePlan) GetHasFreeTrial() bool {
+	if m == nil || m.HasFreeTrial == nil {
+		return false
+	}
+	return *m.HasFreeTrial
+}
+
 // GetID returns the ID field if it's non-nil, zero value otherwise.
 func (m *MarketplacePlan) GetID() int64 {
 	if m == nil || m.ID == nil {
@@ -4700,6 +4740,14 @@ func (m *MarketplacePlan) GetPriceModel() string {
 	return *m.PriceModel
 }
 
+// GetState returns the State field if it's non-nil, zero value otherwise.
+func (m *MarketplacePlan) GetState() string {
+	if m == nil || m.State == nil {
+		return ""
+	}
+	return *m.State
+}
+
 // GetUnitName returns the UnitName field if it's non-nil, zero value otherwise.
 func (m *MarketplacePlan) GetUnitName() string {
 	if m == nil || m.UnitName == nil {
@@ -4748,6 +4796,14 @@ func (m *MarketplacePlanAccount) GetLogin() string {
 	return *m.Login
 }
 
+// GetMarketplacePendingChange returns the MarketplacePendingChange field.
+func (m *MarketplacePlanAccount) GetMarketplacePendingChange() *MarketplacePendingChange {
+	if m == nil {
+		return nil
+	}
+	return m.MarketplacePendingChange
+}
+
 // GetMarketplacePurchase returns the MarketplacePurchase field.
 func (m *MarketplacePlanAccount) GetMarketplacePurchase() *MarketplacePurchase {
 	if m == nil {
@@ -4796,14 +4852,30 @@ func (m *MarketplacePurchase) GetBillingCycle() string {
 	return *m.BillingCycle
 }
 
+// GetFreeTrialEndsOn returns the FreeTrialEndsOn field if it's non-nil, zero value otherwise.
+func (m *MarketplacePurchase) GetFreeTrialEndsOn() Timestamp {
+	if m == nil || m.FreeTrialEndsOn == nil {
+		return Timestamp{}
+	}
+	return *m.FreeTrialEndsOn
+}
+
 // GetNextBillingDate returns the NextBillingDate field if it's non-nil, zero value otherwise.
-func (m *MarketplacePurchase) GetNextBillingDate() string {
+func (m *MarketplacePurchase) GetNextBillingDate() Timestamp {
 	if m == nil || m.NextBillingDate == nil {
-		return ""
+		return Timestamp{}
 	}
 	return *m.NextBillingDate
 }
 
+// GetOnFreeTrial returns the OnFreeTrial field if it's non-nil, zero value otherwise.
+func (m *MarketplacePurchase) GetOnFreeTrial() bool {
+	if m == nil || m.OnFreeTrial == nil {
+		return false
+	}
+	return *m.OnFreeTrial
+}
+
 // GetPlan returns the Plan field.
 func (m *MarketplacePurchase) GetPlan() *MarketplacePlan {
 	if m == nil {