diff --git a/.github/workflows/pr-realm-js.yml b/.github/workflows/pr-realm-js.yml
index 8afe61dfb8..1591ed42d8 100644
--- a/.github/workflows/pr-realm-js.yml
+++ b/.github/workflows/pr-realm-js.yml
@@ -59,24 +59,90 @@ jobs:
     env:
       REALM_DISABLE_ANALYTICS: 1
       NDK_VERSION: 25.1.8937393
+      CODE_SIGN_IDENTITY: ""
+      CODE_SIGNING_REQUIRED: NO
+
     strategy:
       fail-fast: false
       matrix:
         variant:
-          - { os: linux, runner: ubuntu-latest, arch: x64, artifact-path: packages/realm/prebuilds, test-node: true, test-electron: true }
+          - {
+              os: linux,
+              runner: ubuntu-latest,
+              arch: x64,
+              artifact-path: packages/realm/prebuilds,
+              test-node: true,
+              test-electron: true,
+            }
           - { os: linux, runner: ubuntu-latest, arch: arm, artifact-path: packages/realm/prebuilds }
           - { os: linux, runner: ubuntu-latest, arch: arm64, artifact-path: packages/realm/prebuilds }
-          - { os: windows, runner: windows-latest, arch: x64, artifact-path: packages/realm/prebuilds, test-node: true, test-electron: true }
+          - {
+              os: windows,
+              runner: windows-latest,
+              arch: x64,
+              artifact-path: packages/realm/prebuilds,
+              test-node: true,
+              test-electron: true,
+            }
           - { os: windows, runner: windows-2019, arch: ia32, artifact-path: packages/realm/prebuilds }
-          - { os: android, runner: ubuntu-latest, arch: x86_64, artifact-path: packages/realm/react-native/android/src/main/jniLibs }
-          - { os: android, runner: ubuntu-latest, arch: armeabi-v7a, artifact-path: packages/realm/react-native/android/src/main/jniLibs }
-          - { os: android, runner: ubuntu-latest, arch: arm64-v8a, artifact-path: packages/realm/react-native/android/src/main/jniLibs }
-          - { os: android, runner: ubuntu-latest, arch: x86, artifact-path: packages/realm/react-native/android/src/main/jniLibs }
-          - { os: darwin, runner: macos-latest, arch: x64, artifact-path: packages/realm/prebuilds, test-node: true, test-electron: true }
-          - { os: darwin, runner: macos-latest, arch: arm64, artifact-path: packages/realm/prebuilds, test-node: true, test-electron: true }
-          - { os: ios, runner: macos-latest-xlarge, arch: simulator, artifact-path: packages/realm/react-native/ios/realm-js-ios.xcframework }
-          - { os: ios, runner: macos-latest-xlarge, arch: catalyst, artifact-path: packages/realm/react-native/ios/realm-js-ios.xcframework }
-          - { os: ios, runner: macos-latest-xlarge, arch: ios, artifact-path: packages/realm/react-native/ios/realm-js-ios.xcframework }
+          - {
+              os: android,
+              runner: ubuntu-latest,
+              arch: x86_64,
+              artifact-path: packages/realm/react-native/android/src/main/jniLibs,
+            }
+          - {
+              os: android,
+              runner: ubuntu-latest,
+              arch: armeabi-v7a,
+              artifact-path: packages/realm/react-native/android/src/main/jniLibs,
+            }
+          - {
+              os: android,
+              runner: ubuntu-latest,
+              arch: arm64-v8a,
+              artifact-path: packages/realm/react-native/android/src/main/jniLibs,
+            }
+          - {
+              os: android,
+              runner: ubuntu-latest,
+              arch: x86,
+              artifact-path: packages/realm/react-native/android/src/main/jniLibs,
+            }
+          - {
+              os: darwin,
+              runner: macos-latest,
+              arch: x64,
+              artifact-path: packages/realm/prebuilds,
+              test-node: true,
+              test-electron: true,
+            }
+          - {
+              os: darwin,
+              runner: macos-latest,
+              arch: arm64,
+              artifact-path: packages/realm/prebuilds,
+              test-node: true,
+              test-electron: true,
+            }
+          - {
+              os: ios,
+              runner: macos-latest-xlarge,
+              arch: simulator,
+              artifact-path: packages/realm/react-native/ios/realm-js-ios.xcframework,
+            }
+          - {
+              os: ios,
+              runner: macos-latest-xlarge,
+              arch: catalyst,
+              artifact-path: packages/realm/react-native/ios/realm-js-ios.xcframework,
+            }
+          - {
+              os: ios,
+              runner: macos-latest-xlarge,
+              arch: ios,
+              artifact-path: packages/realm/react-native/ios/realm-js-ios.xcframework,
+            }
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -126,8 +192,8 @@ jobs:
         if: ${{ matrix.variant.os == 'android' }}
         uses: actions/setup-java@v3
         with:
-          distribution: 'zulu' # See 'Supported distributions' for available options
-          java-version: '11'
+          distribution: "zulu" # See 'Supported distributions' for available options
+          java-version: "11"
 
       - name: Setup Android SDK
         if: ${{ matrix.variant.os == 'android' }}
@@ -150,7 +216,7 @@ jobs:
         uses: hendrikmuhs/ccache-action@v1
         with:
           key: ${{ runner.os }}-${{ matrix.variant.os }}-${{ matrix.variant.arch }}
-          max-size: '2.0G'
+          max-size: "2.0G"
 
       - name: Prepend ccache executables to the PATH
         if: ${{ runner.os != 'Windows' }}
@@ -263,8 +329,11 @@ jobs:
       SPAWN_LOGCAT: true
       BAAS_BRANCH: master
       # Pin the Xcode version
-      DEVELOPER_DIR: /Applications/Xcode_14.3.1.app
+      DEVELOPER_DIR: /Applications/Xcode_15.2.app
       IOS_DEVICE_NAME: iPhone 14
+      CODE_SIGN_IDENTITY: ""
+      CODE_SIGNING_REQUIRED: NO
+      AD_HOC_CODE_SIGNING_ALLOWED: YES
     runs-on: ${{ matrix.variant.runner }}
     strategy:
       fail-fast: false
@@ -316,7 +385,7 @@ jobs:
         if: ${{ matrix.variant.environment == 'react-native-test-app' }}
         uses: actions/cache@v4
         with:
-          path: '**/Pods'
+          path: "**/Pods"
           key: ${{ runner.os }}-${{matrix.variant.environment}}-${{ hashFiles('**/Podfile.lock', './src/**', './vendor/**') }}
           restore-keys: |
             ${{ runner.os }}-${{matrix.variant.environment}}-
@@ -337,7 +406,7 @@ jobs:
         if: ${{ matrix.variant.environment == 'react-native-test-app' }}
         with:
           key: ${{ runner.os }}-${{ matrix.variant.os }}-${{ matrix.variant.arch }}
-          max-size: '2.0G'
+          max-size: "2.0G"
 
       # in CI file timestamps change with every run so instead rely on file content hashing
       # https://reactnative.dev/docs/build-speed#using-this-approach-on-a-ci
@@ -351,7 +420,7 @@ jobs:
         if: ${{ matrix.variant.os == 'ios' }}
         uses: maxim-lobanov/setup-cocoapods@v1
         with:
-          version: 1.14.3
+          version: 1.15.2
 
       - name: Install IOS tools
         if: ${{ matrix.variant.os == 'ios' }}
@@ -416,7 +485,10 @@ jobs:
           USE_CCACHE: 1
           USE_BRIDGELESS: 0 # Disabling bridgeless for now
           MOCHA_REMOTE_CONTEXT: ${{ steps.mocha-env.outputs.context }}
-        timeout-minutes: 75
+          CODE_SIGN_IDENTITY: ""
+          CODE_SIGNING_REQUIRED: NO
+          AD_HOC_CODE_SIGNING_ALLOWED: YES
+        timeout-minutes: 90
         run: npm run ${{ matrix.variant.target}} --prefix integration-tests/environments/${{ matrix.variant.environment }}
 
       - name: Setup Java Gradle cache for android test app
@@ -443,8 +515,8 @@ jobs:
       - uses: actions/setup-java@v3
         if: ${{ matrix.variant.os == 'android' }}
         with:
-          distribution: 'zulu' # See 'Supported distributions' for available options
-          java-version: '17'
+          distribution: "zulu" # See 'Supported distributions' for available options
+          java-version: "17"
 
       - name: Run ${{matrix.variant.target}} (${{ matrix.variant.os}} / ${{ matrix.variant.environment }})
         if: ${{ matrix.variant.os == 'android' }}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a70ed5e0b1..d51410393b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -139,6 +139,7 @@ function expectDictionary(value: unknown): asserts value is Realm.Dictionary {
 ### Internal
 * Upgraded Realm Core from v14.6.2 to v14.7.0.
 * Upgraded `@trunk/launcher` from v1.3.0 to v1.3.1 to support Apple's versioning scheme for macOS.
+* Switched to Xcode 15.2 and CocoaPods v1.15.2 on GHA. ([#6538](https://github.com/realm/realm-js/issues/6538))
 
 ## 12.8.1 (2024-05-15)