diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
index 2b4520e51d..9d2f2e8eaa 100644
--- a/.github/workflows/android.yml
+++ b/.github/workflows/android.yml
@@ -13,7 +13,7 @@ on:
 env:
   CCACHE_DIR: ${{ github.workspace }}/ccache_dir
   GITHUB_TOKEN: ${{ github.token }}
-  xcodeVersion: "14.1"  # Only affects Mac runners, and only for prerequisites.
+  xcodeVersion: "16.4"  # Only affects Mac runners, and only for prerequisites.
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.head_ref || github.ref }}
@@ -21,13 +21,13 @@ concurrency:
 
 jobs:
   prepare_matrix:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     outputs:
       matrix_os: ${{ steps.export-result.outputs.matrix_os }}
       matrix_architecture: ${{ steps.export-result.outputs.matrix_architecture }}
       matrix_python_version: ${{ steps.export-result.outputs.matrix_python_version }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
         with:
           submodules: false
       - name: Use expanded matrix
@@ -54,10 +54,6 @@ jobs:
       - name: setup Xcode version (macos)
         if: runner.os == 'macOS'
         run: sudo xcode-select -s /Applications/Xcode_${{ env.xcodeVersion }}.app/Contents/Developer
-      - name: Force Java 8 (macOS)
-        if: startsWith(matrix.os, 'macos')
-        shell: bash
-        run: echo "JAVA_HOME=${JAVA_HOME_8_X64}" >> $GITHUB_ENV
       - name: Store git credentials for all git commands
         # Forces all git commands to use authenticated https, to prevent throttling.
         shell: bash
@@ -75,10 +71,19 @@ jobs:
           echo "Enabling expanded build and test matrix."
           echo "USE_EXPANDED_MATRIX=1" >> $GITHUB_ENV
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
         with:
           submodules: true
 
+      # This workflow still uses Gradle 6.7.1; pinning Java 11 avoids
+      # incompatibilities with newer default JDKs on hosted runners.
+      - name: Setup Java 11
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: "11"
+          cache: gradle
+
       - name: Set env variables for subsequent steps (all)
         shell: bash
         run: |
@@ -97,7 +102,7 @@ jobs:
 
       - name: Cache NDK
         id: cache_ndk
-        uses: actions/cache@v3
+        uses: actions/cache@v5
         with:
           path: /tmp/android-ndk-r21e
           key: android-ndk-${{ matrix.os }}-r21e
diff --git a/.github/workflows/bcny-firebase.yml b/.github/workflows/bcny-firebase.yml
index 43e5ca2da1..e8dae83655 100644
--- a/.github/workflows/bcny-firebase.yml
+++ b/.github/workflows/bcny-firebase.yml
@@ -18,24 +18,20 @@ jobs:
             platform: 'ARM64'
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 1
           path: ${{ github.workspace }}/SourceCache/flatbuffers
           ref: 99aa1ef21dd9dc3f9d4fb0eb82f4b59d0bb5e4c5
           repository: google/flatbuffers
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 1
           path: ${{ github.workspace }}/SourceCache/firebase-cpp-sdk
           repository: thebrowsercompany/firebase-cpp-sdk
 
       - uses: compnerd/gha-setup-vsdevenv@main
-        with:
-          host_arch: amd64
-          components: 'Microsoft.VisualStudio.Component.VC.Tools.x86.x64;Microsoft.VisualStudio.Component.VC.Tools.ARM64'
-          arch: ${{ matrix.arch }}
 
       - uses: actions/setup-python@v4
         id: python
@@ -180,7 +176,7 @@ jobs:
             Write-Output "Success! No BMI2 instructions were found in snappy.lib."
           }
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v6
         with:
           name: firebase-windows-${{ matrix.arch }}
           path: ${{ github.workspace }}/BuildRoot/Library/firebase
@@ -356,7 +352,7 @@ jobs:
           "@ | Out-File -Encoding UTF8 firebase.nuspec
           nuget pack -Properties BUILDROOT=${{ github.workspace }}\BuildRoot\Library\firebase -Suffix (git -C ${{ github.workspace }}/SourceCache/firebase-cpp-sdk log -1 --format=%h) firebase.nuspec
         shell: pwsh
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v6
         if: github.event_name != 'pull_request'
         with:
           name: windows-${{ matrix.arch }}.nupkg
@@ -381,7 +377,7 @@ jobs:
         shell: pwsh
 
   android:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
       fail-fast: true
       matrix:
@@ -389,12 +385,24 @@ jobs:
           - arch: 'arm64-v8a'
           - arch: 'x86_64'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 1
           path: ${{ github.workspace }}/SourceCache/firebase-cpp-sdk
           ref: refs/heads/compnerd/swift
           repository: thebrowsercompany/firebase-cpp-sdk
+      # Currently this repo is pinned to an old version of the
+      # the firebase-cpp-sdk so we have to install an older
+      # version of java to allow this code to build correctly.
+      - name: Setup Java 11
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: '11'
+          cache: gradle
+
+      - name: Verify Java
+        run: java -version
 
       - name: Install Ninja
         run: sudo apt-get install -y ninja-build
@@ -517,7 +525,7 @@ jobs:
             cp $header ${header_destination_dir}/firestore/
           done
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v6
         with:
           name: firebase-android-${{ matrix.arch }}
           path: ${{ github.workspace }}/BuildRoot/Library/firebase
diff --git a/scripts/gha/print_matrix_configuration.py b/scripts/gha/print_matrix_configuration.py
index cd9315f864..51b83e5c7e 100644
--- a/scripts/gha/print_matrix_configuration.py
+++ b/scripts/gha/print_matrix_configuration.py
@@ -89,12 +89,12 @@
 
   "android": {
     "matrix": {
-      "os": ["ubuntu-20.04", "macos-13", "windows-latest"],
+      "os": ["ubuntu-22.04", "macos-15", "windows-latest"],
       "architecture": ["x64"],
-      "python_version": ["3.7"],
+      "python_version": ["3.11"],
 
       EXPANDED_KEY: {
-        "os": ["ubuntu-20.04", "macos-13", "windows-latest"]
+        "os": ["ubuntu-22.04", "macos-15", "windows-latest"]
       }
     }
   },