diff --git a/.github/workflows/ios-beta.yaml b/.github/workflows/ios-beta.yaml
index 0817eb7283..656d9cb51b 100644
--- a/.github/workflows/ios-beta.yaml
+++ b/.github/workflows/ios-beta.yaml
@@ -35,7 +35,7 @@ jobs:
     name: Apple TestFlight
     runs-on: macos-14
     env:
-      DEVELOPER_DIR: /Applications/Xcode_15.3.app/Contents/Developer
+      DEVELOPER_DIR: /Applications/Xcode_15.4.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 4fb73176d4..6da28fc534 100644
--- a/.github/workflows/ios-check.yaml
+++ b/.github/workflows/ios-check.yaml
@@ -37,7 +37,7 @@ jobs:
     name: Build iOS
     runs-on: macos-14
     env:
-      DEVELOPER_DIR: /Applications/Xcode_15.3.app/Contents/Developer
+      DEVELOPER_DIR: /Applications/Xcode_15.4.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 76c5d65e16..ac808aae31 100644
--- a/.github/workflows/ios-release.yaml
+++ b/.github/workflows/ios-release.yaml
@@ -7,7 +7,7 @@ jobs:
     name: iOS Release
     runs-on: macos-14
     env:
-      DEVELOPER_DIR: /Applications/Xcode_15.3.app/Contents/Developer
+      DEVELOPER_DIR: /Applications/Xcode_15.4.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 322d5efcd7..c552c8088d 100644
--- a/.github/workflows/macos-check.yaml
+++ b/.github/workflows/macos-check.yaml
@@ -32,7 +32,7 @@ jobs:
     name: macOS builds and tests
     runs-on: macos-14
     env:
-      DEVELOPER_DIR: /Applications/Xcode_15.3.app/Contents/Developer
+      DEVELOPER_DIR: /Applications/Xcode_15.4.app/Contents/Developer
       HOMEBREW_NO_ANALYTICS: 1
       HOMEBREW_NO_INSTALL_CLEANUP: 1
     strategy: