diff --git a/.ci/cirrus.runner.yml b/.ci/cirrus.runner.yml
index 382a8be..9a1e483 100644
--- a/.ci/cirrus.runner.yml
+++ b/.ci/cirrus.runner.yml
@@ -7,11 +7,11 @@ task:
         XCODE_VERSIONS: "16.1,16,15.4,15.3,15.2,15.1,\"15.0.1\""
         DISK_SIZE: 400
       - MACOS_VERSION: sequoia
-        XCODE_VERSIONS: "16.4,\"26-beta-2\",16.3,16.2,16.1,16"
+        XCODE_VERSIONS: "16.4,\"26-beta-1\",16.3,16.2,16.1,16"
         ADDITIONAL_IOS_BUILDS: "18.4,18.2,17.5"
-        DISK_SIZE: 450
+        DISK_SIZE: 500
       - MACOS_VERSION: tahoe
-        XCODE_VERSIONS: "\"26-beta-2\""
+        XCODE_VERSIONS: "\"26-beta-1\""
         DISK_SIZE: 150
   <<: *defaults
   pull_base_script:
diff --git a/.ci/cirrus.xcode.yml b/.ci/cirrus.xcode.yml
index c17037c..a38fdbd 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-2
+        XCODE_VERSION: 26-beta-1
         LATEST: true
       - MACOS_VERSION: sequoia
         XCODE_VERSION: 16.4