diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 08b2e89e8..db6830c15 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -243,7 +243,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Install mise
-        uses: jdx/mise-action@v4
+        uses: jdx/mise-action@v5
         with:
           cache_save: ${{ github.ref == 'refs/heads/main' }}
 
@@ -282,7 +282,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Install mise
-        uses: jdx/mise-action@v4
+        uses: jdx/mise-action@v5
         with:
           cache_save: ${{ github.ref == 'refs/heads/main' }}
 
@@ -388,7 +388,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Install mise
-        uses: jdx/mise-action@v4
+        uses: jdx/mise-action@v5
         with:
           cache_save: ${{ github.ref == 'refs/heads/main' }}
 
@@ -418,7 +418,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Install mise
-        uses: jdx/mise-action@v4
+        uses: jdx/mise-action@v5
         with:
           cache_save: ${{ github.ref == 'refs/heads/main' }}
 
@@ -453,7 +453,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Install mise
-        uses: jdx/mise-action@v4
+        uses: jdx/mise-action@v5
         with:
           cache_save: ${{ github.ref == 'refs/heads/main' }}
 
@@ -550,7 +550,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Install mise
-        uses: jdx/mise-action@v4
+        uses: jdx/mise-action@v5
         with:
           cache_save: ${{ github.ref == 'refs/heads/main' }}
 
@@ -593,7 +593,7 @@ jobs:
       - uses: actions/checkout@v7
         with:
           submodules: recursive
-      - uses: jdx/mise-action@v4
+      - uses: jdx/mise-action@v5
         with:
           cache_save: ${{ github.ref == 'refs/heads/main' }}
       - name: Set up native Rust runner build
diff --git a/.github/workflows/mck-release-acceptance.yml b/.github/workflows/mck-release-acceptance.yml
index fc6d36351..556045c6d 100644
--- a/.github/workflows/mck-release-acceptance.yml
+++ b/.github/workflows/mck-release-acceptance.yml
@@ -71,7 +71,7 @@ jobs:
       - name: Install preparation runtime
         uses: actions/setup-node@v7
         with:
-          node-version: '24'
+          node-version: '26'
 
       - name: Prepare published CLI, exact-commit kit and native harness
         timeout-minutes: 45