diff --git a/session.go b/session.go
index 143873b..a61a1f1 100644
--- a/session.go
+++ b/session.go
@@ -2,20 +2,33 @@ package clerk
 
 import "encoding/json"
 
+type SessionActivity struct {
+	Object         string  `json:"object"`
+	ID             string  `json:"id"`
+	DeviceType     *string `json:"device_type,omitempty"`
+	IsMobile       bool    `json:"is_mobile"`
+	BrowserName    *string `json:"browser_name,omitempty"`
+	BrowserVersion *string `json:"browser_version,omitempty"`
+	IPAddress      *string `json:"ip_address,omitempty"`
+	City           *string `json:"city,omitempty"`
+	Country        *string `json:"country,omitempty"`
+}
+
 type Session struct {
 	APIResource
-	Object                   string          `json:"object"`
-	ID                       string          `json:"id"`
-	ClientID                 string          `json:"client_id"`
-	UserID                   string          `json:"user_id"`
-	Status                   string          `json:"status"`
-	LastActiveOrganizationID string          `json:"last_active_organization_id,omitempty"`
-	Actor                    json.RawMessage `json:"actor,omitempty"`
-	LastActiveAt             int64           `json:"last_active_at"`
-	ExpireAt                 int64           `json:"expire_at"`
-	AbandonAt                int64           `json:"abandon_at"`
-	CreatedAt                int64           `json:"created_at"`
-	UpdatedAt                int64           `json:"updated_at"`
+	Object                   string           `json:"object"`
+	ID                       string           `json:"id"`
+	ClientID                 string           `json:"client_id"`
+	UserID                   string           `json:"user_id"`
+	Status                   string           `json:"status"`
+	LastActiveOrganizationID string           `json:"last_active_organization_id,omitempty"`
+	LatestActivity           *SessionActivity `json:"latest_activity,omitempty"`
+	Actor                    json.RawMessage  `json:"actor,omitempty"`
+	LastActiveAt             int64            `json:"last_active_at"`
+	ExpireAt                 int64            `json:"expire_at"`
+	AbandonAt                int64            `json:"abandon_at"`
+	CreatedAt                int64            `json:"created_at"`
+	UpdatedAt                int64            `json:"updated_at"`
 }
 
 type SessionList struct {