diff --git a/.github/.obsolete/reusable-build-workflow.yml b/.github/.obsolete/reusable-build-workflow.yml
index 2ca1382c..97d661cd 100644
--- a/.github/.obsolete/reusable-build-workflow.yml
+++ b/.github/.obsolete/reusable-build-workflow.yml
@@ -73,8 +73,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: 'macos-15'
-            version: '16.2'
+          - os: 'macos-26'
+            version: '26.0'
 
     runs-on: ${{ matrix.os }}
     outputs:
@@ -426,8 +426,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: 'macos-15'
-            version: '16.2'
+          - os: 'macos-26'
+            version: '26.0'
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -443,7 +443,7 @@ jobs:
       - name: Setup Xcode
         uses: maxim-lobanov/setup-xcode@v1.6.0
         with:
-          xcode-version: '16.2'
+          xcode-version: '26.0'
 
       # - name: (Tests-Build) Cache Build
       #   uses: irgaly/xcode-cache@v1.8.1
@@ -610,8 +610,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: 'macos-15'
-            version: '16.2'
+          - os: 'macos-26'
+            version: '26.0'
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -628,7 +628,7 @@ jobs:
       - name: Setup Xcode
         uses: maxim-lobanov/setup-xcode@v1.6.0
         with:
-          xcode-version: '16.2'
+          xcode-version: '26.0'
 
       # - name: (Tests-Run) Cache Build
       #   uses: irgaly/xcode-cache@v1.8.1
diff --git a/.github/workflows/sidestore-build.yml b/.github/workflows/sidestore-build.yml
index d030bc19..8fc74437 100644
--- a/.github/workflows/sidestore-build.yml
+++ b/.github/workflows/sidestore-build.yml
@@ -35,8 +35,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: 'macos-15'
-            version: '16.2'
+          - os: 'macos-26'
+            version: '26.0'
     runs-on: ${{ matrix.os }}
     outputs:
       version: ${{ steps.version.outputs.version }}
diff --git a/.github/workflows/sidestore-tests-build.yml b/.github/workflows/sidestore-tests-build.yml
index a0643366..4f8f6f6a 100644
--- a/.github/workflows/sidestore-tests-build.yml
+++ b/.github/workflows/sidestore-tests-build.yml
@@ -19,8 +19,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: 'macos-15'
-            version: '16.2'
+          - os: 'macos-26'
+            version: '26.0'
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -37,7 +37,7 @@ jobs:
       - name: Setup Xcode
         uses: maxim-lobanov/setup-xcode@v1.6.0
         with:
-          xcode-version: '16.2'
+          xcode-version: '26.0'
 
       # - name: (Tests-Build) Cache Build
       #   uses: irgaly/xcode-cache@v1.8.1
diff --git a/.github/workflows/sidestore-tests-run.yml b/.github/workflows/sidestore-tests-run.yml
index bbb0640e..5e2318a0 100644
--- a/.github/workflows/sidestore-tests-run.yml
+++ b/.github/workflows/sidestore-tests-run.yml
@@ -19,8 +19,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: 'macos-15'
-            version: '16.2'
+          - os: 'macos-26'
+            version: '26.0'
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -38,7 +38,7 @@ jobs:
       - name: Setup Xcode
         uses: maxim-lobanov/setup-xcode@v1.6.0
         with:
-          xcode-version: '16.2'
+          xcode-version: '26.0'
 
       # - name: (Tests-Run) Cache Build
       #   uses: irgaly/xcode-cache@v1.8.1
diff --git a/.github/workflows/stable.yml b/.github/workflows/stable.yml
index b78bd466..68f1ea92 100644
--- a/.github/workflows/stable.yml
+++ b/.github/workflows/stable.yml
@@ -12,8 +12,8 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - os: 'macos-15'
-            version: '16.2'
+          - os: 'macos-26'
+            version: '26.0'
     runs-on: ${{ matrix.os }}
 
     steps: