diff --git a/Planet/Entities/PlanetStore.swift b/Planet/Entities/PlanetStore.swift
index f61378cf..f9d93a15 100644
--- a/Planet/Entities/PlanetStore.swift
+++ b/Planet/Entities/PlanetStore.swift
@@ -98,6 +98,7 @@ enum PlanetDetailViewType: Hashable, Equatable {
                 if let followingArticle = selectedArticle as? FollowingArticleModel {
                     followingArticle.read = Date()
                     try? followingArticle.save()
+                    PlanetStore.shared.updateTotalUnreadCount()
                 }
             }
         }
@@ -166,6 +167,8 @@ enum PlanetDetailViewType: Hashable, Equatable {
     @Published var alertTitle: String = ""
     @Published var alertMessage: String = ""
 
+    @Published var totalUnreadCount: Int = 0
+
     nonisolated static let app: PlanetAppShell = (Bundle.main.executableURL?.lastPathComponent == "Croptop") ? .lite : .planet
 
     init() {
@@ -249,6 +252,7 @@ enum PlanetDetailViewType: Hashable, Equatable {
         followingPlanets = Array(followingAllPlanets[followingPlanetPartition...])
         loadFollowingPlanetsOrder()
         logger.info("Loaded \(self.followingPlanets.count) following planets")
+        updateTotalUnreadCount()
     }
 
     func publishMyPlanets() {
@@ -266,6 +270,10 @@ enum PlanetDetailViewType: Hashable, Equatable {
         }
     }
 
+    func updateTotalUnreadCount() {
+        totalUnreadCount = followingPlanets.reduce(0) { $0 + $1.articles.filter { $0.read == nil }.count }
+    }
+
     private let myPlanetsOrderKey = "myPlanetsOrder"
 
     func moveMyPlanets(fromOffsets source: IndexSet, toOffset destination: Int) {
diff --git a/Planet/Views/Sidebar/PlanetSidebarView.swift b/Planet/Views/Sidebar/PlanetSidebarView.swift
index 8309f4f6..bd71a159 100644
--- a/Planet/Views/Sidebar/PlanetSidebarView.swift
+++ b/Planet/Views/Sidebar/PlanetSidebarView.swift
@@ -45,6 +45,7 @@ struct PlanetSidebarView: View {
                             .font(.body)
                             .foregroundColor(.primary)
                     }
+                    .badge(planetStore.totalUnreadCount)
                     .tag(PlanetDetailViewType.unread)
 
                     HStack(spacing: 4) {
diff --git a/Planet/versioning.xcconfig b/Planet/versioning.xcconfig
index fc499a2a..4a1659dd 100644
--- a/Planet/versioning.xcconfig
+++ b/Planet/versioning.xcconfig
@@ -1 +1 @@
-CURRENT_PROJECT_VERSION = 2136
+CURRENT_PROJECT_VERSION = 2137