diff --git a/Tools/Sources/Commands/CI/AccessibilityTests.swift b/Tools/Sources/Commands/CI/AccessibilityTests.swift
index 64a1cdcfb..5f545d3ef 100644
--- a/Tools/Sources/Commands/CI/AccessibilityTests.swift
+++ b/Tools/Sources/Commands/CI/AccessibilityTests.swift
@@ -9,7 +9,7 @@ struct AccessibilityTests: AsyncParsableCommand {
     var device = "iPhone 17"
     
     @Option(help: "iOS version for the simulator.")
-    var osVersion = "26.4"
+    var osVersion = "26.4.1"
     
     func run() async throws {
         var testsFailed = false
diff --git a/Tools/Sources/Commands/CI/IntegrationTests.swift b/Tools/Sources/Commands/CI/IntegrationTests.swift
index 1a8ee8320..26c80e322 100644
--- a/Tools/Sources/Commands/CI/IntegrationTests.swift
+++ b/Tools/Sources/Commands/CI/IntegrationTests.swift
@@ -13,7 +13,7 @@ struct IntegrationTests: AsyncParsableCommand {
     var device = "iPhone 17"
     
     @Option(help: "iOS version for the simulator.")
-    var osVersion = "26.4"
+    var osVersion = "26.4.1"
     
     func run() async throws {
         // Delete old log files
diff --git a/Tools/Sources/Commands/CI/PreviewTests.swift b/Tools/Sources/Commands/CI/PreviewTests.swift
index a97f1067a..00f666054 100644
--- a/Tools/Sources/Commands/CI/PreviewTests.swift
+++ b/Tools/Sources/Commands/CI/PreviewTests.swift
@@ -6,7 +6,7 @@ struct PreviewTests: AsyncParsableCommand {
                                                     abstract: "Runs the preview test CI workflow, with optional snapshot recording.")
 
     @Option(help: "iOS version for the simulator.")
-    var osVersion = "26.4"
+    var osVersion = "26.4.1"
 
     @Flag(help: "Re-record snapshots for tests that fail or are missing a reference image.")
     var record = false
diff --git a/Tools/Sources/Commands/CI/UITests.swift b/Tools/Sources/Commands/CI/UITests.swift
index 792a3ec46..cf7359b1b 100644
--- a/Tools/Sources/Commands/CI/UITests.swift
+++ b/Tools/Sources/Commands/CI/UITests.swift
@@ -20,7 +20,7 @@ struct UITests: AsyncParsableCommand {
     var deviceType: DeviceType
 
     @Option(help: "iOS version for the simulator.")
-    var osVersion = "26.4"
+    var osVersion = "26.4.1"
 
     @Option(help: "Run only a specific test (format: 'ClassName/testName').")
     var testName: String?
diff --git a/Tools/Sources/Commands/CI/UnitTests.swift b/Tools/Sources/Commands/CI/UnitTests.swift
index 6a81b2537..9a9e15464 100644
--- a/Tools/Sources/Commands/CI/UnitTests.swift
+++ b/Tools/Sources/Commands/CI/UnitTests.swift
@@ -9,7 +9,7 @@ struct UnitTests: AsyncParsableCommand {
     var device = "iPhone 17"
     
     @Option(help: "iOS version for the simulator.")
-    var osVersion = "26.4"
+    var osVersion = "26.4.1"
     
     @Flag(help: "Skip preview tests")
     var skipPreviews = false