diff --git a/.ci/cirrus.runner.yml b/.ci/cirrus.runner.yml
index 78ab24c..3fa18b1 100644
--- a/.ci/cirrus.runner.yml
+++ b/.ci/cirrus.runner.yml
@@ -8,7 +8,7 @@ task:
         ADDITIONAL_IOS_BUILDS: "17.5"
         DISK_SIZE: 275
       - MACOS_VERSION: sequoia
-        XCODE_VERSIONS: "16.4,\"26-beta-7\",16.3,16.2,16.1,16"
+        XCODE_VERSIONS: "16.4,\"26-rc\",16.3,16.2,16.1,16"
         ADDITIONAL_IOS_BUILDS: "18.5,18.4,18.2,17.5"
         DISK_SIZE: 600
   <<: *defaults
diff --git a/.ci/cirrus.xcode.yml b/.ci/cirrus.xcode.yml
index fa90826..8f686b5 100644
--- a/.ci/cirrus.xcode.yml
+++ b/.ci/cirrus.xcode.yml
@@ -4,7 +4,7 @@ task:
   env:
     matrix:
       - MACOS_VERSION: tahoe
-        XCODE_VERSION: 26-beta-7
+        XCODE_VERSION: 26-rc
         XCODE_COMPONENTS: "MetalToolchain"
         LATEST: true
       - MACOS_VERSION: sequoia
diff --git a/data/expected.sequoia.runtimes.txt b/data/expected.sequoia.runtimes.txt
index 46b3132..9f44938 100644
--- a/data/expected.sequoia.runtimes.txt
+++ b/data/expected.sequoia.runtimes.txt
@@ -7,13 +7,13 @@ iOS 18.3 (18.3.1 - 22D8075) - com.apple.CoreSimulator.SimRuntime.iOS-18-3
 iOS 18.4 (18.4 - 22E238) - com.apple.CoreSimulator.SimRuntime.iOS-18-4
 iOS 18.5 (18.5 - 22F77) - com.apple.CoreSimulator.SimRuntime.iOS-18-5
 iOS 18.6 (18.6 - 22G86) - com.apple.CoreSimulator.SimRuntime.iOS-18-6
-iOS 26.0 (26.0 - 23A5326a) - com.apple.CoreSimulator.SimRuntime.iOS-26-0
+iOS 26.0 (26.0 - 23A339) - com.apple.CoreSimulator.SimRuntime.iOS-26-0
 tvOS 18.4 (18.4 - 22L254) - com.apple.CoreSimulator.SimRuntime.tvOS-18-4
 tvOS 18.5 (18.5 - 22L572) - com.apple.CoreSimulator.SimRuntime.tvOS-18-5
-tvOS 26.0 (26.0 - 23J5346a) - com.apple.CoreSimulator.SimRuntime.tvOS-26-0
+tvOS 26.0 (26.0 - 23J352) - com.apple.CoreSimulator.SimRuntime.tvOS-26-0
 watchOS 11.4 (11.4 - 22T250) - com.apple.CoreSimulator.SimRuntime.watchOS-11-4
 watchOS 11.5 (11.5 - 22T572) - com.apple.CoreSimulator.SimRuntime.watchOS-11-5
-watchOS 26.0 (26.0 - 23R5346a) - com.apple.CoreSimulator.SimRuntime.watchOS-26-0
+watchOS 26.0 (26.0 - 23R351) - com.apple.CoreSimulator.SimRuntime.watchOS-26-0
 visionOS 2.4 (2.4 - 22O237) - com.apple.CoreSimulator.SimRuntime.xrOS-2-4
 visionOS 2.5 (2.5 - 22O473) - com.apple.CoreSimulator.SimRuntime.xrOS-2-5
-visionOS 26.0 (26.0 - 23M5328a) - com.apple.CoreSimulator.SimRuntime.xrOS-26-0
+visionOS 26.0 (26.0 - 23M336) - com.apple.CoreSimulator.SimRuntime.xrOS-26-0