diff --git a/.ci/cirrus.runner.yml b/.ci/cirrus.runner.yml
index 0659597..4bac69d 100644
--- a/.ci/cirrus.runner.yml
+++ b/.ci/cirrus.runner.yml
@@ -12,9 +12,9 @@ task:
         XCODE_COMPONENTS: "\"MetalToolchain\""
         DISK_SIZE: 400
       - MACOS_VERSION: tahoe
-        XCODE_VERSIONS: "\"26.0.1\""
+        XCODE_VERSIONS: "\"26.0.1\",\"26.1-beta\""
         XCODE_COMPONENTS: "\"MetalToolchain\""
-        DISK_SIZE: 210
+        DISK_SIZE: 240
   <<: *defaults
   pull_base_script:
     - tart pull ghcr.io/cirruslabs/macos-$MACOS_VERSION-base:latest
diff --git a/data/expected.tahoe.runtimes.txt b/data/expected.tahoe.runtimes.txt
index 2279f3c..89e244a 100644
--- a/data/expected.tahoe.runtimes.txt
+++ b/data/expected.tahoe.runtimes.txt
@@ -1,5 +1,9 @@
 == Runtimes ==
 iOS 26.0 (26.0 - 23A343) - com.apple.CoreSimulator.SimRuntime.iOS-26-0
+iOS 26.1 (26.1 - 23B5044k) - com.apple.CoreSimulator.SimRuntime.iOS-26-1
 tvOS 26.0 (26.0 - 23J352) - com.apple.CoreSimulator.SimRuntime.tvOS-26-0
+tvOS 26.1 (26.1 - 23J5543j) - com.apple.CoreSimulator.SimRuntime.tvOS-26-1
 watchOS 26.0 (26.0 - 23R353) - com.apple.CoreSimulator.SimRuntime.watchOS-26-0
+watchOS 26.1 (26.1 - 23S5002i) - com.apple.CoreSimulator.SimRuntime.watchOS-26-1
 visionOS 26.0 (26.0 - 23M336) - com.apple.CoreSimulator.SimRuntime.xrOS-26-0
+visionOS 26.1 (26.1 - 23N5013j) - com.apple.CoreSimulator.SimRuntime.xrOS-26-1