diff --git a/Passepartout/Sources/Services/Infrastructure.swift b/Passepartout/Sources/Services/Infrastructure.swift
index 4dee2aca..30af0b36 100644
--- a/Passepartout/Sources/Services/Infrastructure.swift
+++ b/Passepartout/Sources/Services/Infrastructure.swift
@@ -43,6 +43,8 @@ struct Infrastructure: Codable {
         let preset: String
     }
     
+    let build: Int
+    
     let name: Name
     
     let pools: [Pool]
diff --git a/Passepartout/Sources/Services/InfrastructureFactory.swift b/Passepartout/Sources/Services/InfrastructureFactory.swift
index 819450b7..cbcecdce 100644
--- a/Passepartout/Sources/Services/InfrastructureFactory.swift
+++ b/Passepartout/Sources/Services/InfrastructureFactory.swift
@@ -143,6 +143,14 @@ class InfrastructureFactory {
                 }
                 return
             }
+            let appBuild = GroupConstants.App.buildNumber
+            guard appBuild >= infra.build else {
+                log.error("Response requires app build >= \(infra.build) (found \(appBuild))")
+                DispatchQueue.main.async {
+                    completionHandler(nil, error)
+                }
+                return
+            }
             
             var isNewer = true
             if let bundleDate = self.bundleModificationDate(for: name) {