diff --git a/.github/workflows/ios-beta.yaml b/.github/workflows/ios-beta.yaml
index eac1a35fa1..df49c7e003 100644
--- a/.github/workflows/ios-beta.yaml
+++ b/.github/workflows/ios-beta.yaml
@@ -28,8 +28,9 @@ on:
 jobs:
   ios-beta:
     name: Apple TestFlight
-    runs-on: macos-12
+    runs-on: macos-13
     env:
+      DEVELOPER_DIR: /Applications/Xcode_15.0.app/Contents/Developer
       LANG: en_US.UTF-8  # Fastlane complains that the terminal is using ASCII.
       LANGUAGE: en_US.UTF-8
       LC_ALL: en_US.UTF-8
diff --git a/.github/workflows/ios-check.yaml b/.github/workflows/ios-check.yaml
index 30d7d9ab13..f7344b135a 100644
--- a/.github/workflows/ios-check.yaml
+++ b/.github/workflows/ios-check.yaml
@@ -30,8 +30,9 @@ on:
 jobs:
   ios-check:
     name: Build iOS
-    runs-on: macos-12
+    runs-on: macos-13
     env:
+      DEVELOPER_DIR: /Applications/Xcode_15.0.app/Contents/Developer
       LANG: en_US.UTF-8  # Fastlane complains that the terminal is using ASCII.
       LANGUAGE: en_US.UTF-8
       LC_ALL: en_US.UTF-8
diff --git a/.github/workflows/ios-release.yaml b/.github/workflows/ios-release.yaml
index e82c2dca5a..acf35f216b 100644
--- a/.github/workflows/ios-release.yaml
+++ b/.github/workflows/ios-release.yaml
@@ -5,8 +5,9 @@ on:
 jobs:
   ios-release:
     name: iOS Release
-    runs-on: macos-12
+    runs-on: macos-13
     env:
+      DEVELOPER_DIR: /Applications/Xcode_15.0.app/Contents/Developer
       LANG: en_US.UTF-8  # Fastlane complains that the terminal is using ASCII.
       LANGUAGE: en_US.UTF-8
       LC_ALL: en_US.UTF-8
diff --git a/.github/workflows/macos-check.yaml b/.github/workflows/macos-check.yaml
index 80c6aae9a5..63e4c55a56 100644
--- a/.github/workflows/macos-check.yaml
+++ b/.github/workflows/macos-check.yaml
@@ -26,8 +26,9 @@ on:
 jobs:
   macos-matrix:
     name: macOS builds and tests
-    runs-on: macos-12
+    runs-on: macos-13
     env:
+      DEVELOPER_DIR: /Applications/Xcode_15.0.app/Contents/Developer
       HOMEBREW_NO_ANALYTICS: 1
       HOMEBREW_NO_INSTALL_CLEANUP: 1
     strategy: