diff --git a/.github/workflows/all_plugins.yaml b/.github/workflows/all_plugins.yaml
index 629ce3dcb758..6c538519eff4 100644
--- a/.github/workflows/all_plugins.yaml
+++ b/.github/workflows/all_plugins.yaml
@@ -156,7 +156,8 @@ jobs:
           cache-key: "flutter-:os:-:channel:-:version:-:arch:-:hash:"
           pub-cache-key: "flutter-pub-:os:-:channel:-:version:-:arch:-:hash:"
       - name: Xcode
-        run: sudo xcode-select -s /Applications/Xcode_16.4.app/Contents/Developer
+        # Firebase iOS SDK: minimum Xcode 26.2.
+        run: sudo xcode-select -s /Applications/Xcode_26.2.app/Contents/Developer
       - uses: bluefireteam/melos-action@705015c3d2bc4ab94201ac24accb2bbe070cf533
         with:
           melos-version: '5.3.0'
diff --git a/.github/workflows/e2e_tests_fdc.yaml b/.github/workflows/e2e_tests_fdc.yaml
index 979e715f88ca..a0dcb0bb1616 100644
--- a/.github/workflows/e2e_tests_fdc.yaml
+++ b/.github/workflows/e2e_tests_fdc.yaml
@@ -150,8 +150,9 @@ jobs:
         with:
           node-version: '20'
       - name: Xcode
-        run: sudo xcode-select -s /Applications/Xcode_16.4.app/Contents/Developer
-      - uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654
+        # Firebase iOS SDK: minimum Xcode 26.2.
+        run: sudo xcode-select -s /Applications/Xcode_26.2.app/Contents/Developer
+      - uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b
         with:
           distribution: 'temurin'
           java-version: '21'
diff --git a/.github/workflows/e2e_tests_pipeline.yaml b/.github/workflows/e2e_tests_pipeline.yaml
index 4b101184499d..ecaf42b8c8b7 100644
--- a/.github/workflows/e2e_tests_pipeline.yaml
+++ b/.github/workflows/e2e_tests_pipeline.yaml
@@ -166,8 +166,9 @@ jobs:
         with:
           node-version: '20'
       - name: Xcode
-        run: sudo xcode-select -s /Applications/Xcode_16.4.app/Contents/Developer
-      - uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654
+        # Firebase iOS SDK: minimum Xcode 26.2.
+        run: sudo xcode-select -s /Applications/Xcode_26.2.app/Contents/Developer
+      - uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b
         with:
           distribution: 'temurin'
           java-version: '21'
diff --git a/.github/workflows/ios.yaml b/.github/workflows/ios.yaml
index fa88c610490c..43b87eaad523 100644
--- a/.github/workflows/ios.yaml
+++ b/.github/workflows/ios.yaml
@@ -47,8 +47,9 @@ jobs:
         with:
           node-version: '20'
       - name: Xcode
-        run: sudo xcode-select -s /Applications/Xcode_16.4.app/Contents/Developer
-      - uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654
+        # Firebase iOS SDK: minimum Xcode 26.2.
+        run: sudo xcode-select -s /Applications/Xcode_26.2.app/Contents/Developer
+      - uses: actions/setup-java@8df1039502a15bceb9433410b1a100fbe190c53b
         with:
           distribution: 'temurin'
           java-version: '21'