diff --git a/.github/workflows/bnf-jest.yml b/.github/workflows/bnf-jest.yml
index 63f016f..a627165 100644
--- a/.github/workflows/bnf-jest.yml
+++ b/.github/workflows/bnf-jest.yml
@@ -6,9 +6,6 @@ on:
   - pull_request
   - push
 
-env:
-  NODE_LATEST_VERSION: '24'
-
 jobs:
   jest:
     runs-on: ubuntu-latest
@@ -60,7 +57,7 @@ jobs:
 
       - uses: actions/setup-node@v6
         with:
-          node-version: ${{ env.NODE_LATEST_VERSION }}
+          node-version: latest
           cache: 'npm'
 
       - name: version
diff --git a/.github/workflows/bnf-pytest.yml b/.github/workflows/bnf-pytest.yml
index 0843b99..2fd11ec 100644
--- a/.github/workflows/bnf-pytest.yml
+++ b/.github/workflows/bnf-pytest.yml
@@ -6,9 +6,6 @@ on:
   - pull_request
   - push
 
-env:
-  PYTHON_LATEST_VERSION: '3.14'
-
 jobs:
   pytest:
     runs-on: ubuntu-latest
@@ -54,7 +51,7 @@ jobs:
 
       - uses: astral-sh/setup-uv@v7
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: latest
           enable-cache: true
 
       - name: build
diff --git a/.github/workflows/egg-jest.yml b/.github/workflows/egg-jest.yml
index 63ae065..4d3fbbc 100644
--- a/.github/workflows/egg-jest.yml
+++ b/.github/workflows/egg-jest.yml
@@ -6,9 +6,6 @@ on:
   - pull_request
   - push
 
-env:
-  NODE_LATEST_VERSION: '24'
-
 jobs:
   jest:
     runs-on: ubuntu-latest
@@ -54,7 +51,7 @@ jobs:
 
       - uses: actions/setup-node@v6
         with:
-          node-version: ${{ env.NODE_LATEST_VERSION }}
+          node-version: latest
           cache: 'npm'
 
       - name: version
diff --git a/.github/workflows/egg-pytest.yml b/.github/workflows/egg-pytest.yml
index 2b7b77d..e4280cf 100644
--- a/.github/workflows/egg-pytest.yml
+++ b/.github/workflows/egg-pytest.yml
@@ -6,9 +6,6 @@ on:
   - pull_request
   - push
 
-env:
-  PYTHON_LATEST_VERSION: '3.14'
-
 jobs:
   pytest:
     runs-on: ubuntu-latest
@@ -48,7 +45,7 @@ jobs:
 
       - uses: astral-sh/setup-uv@v7
         with:
-          python-version: ${{ env.PYTHON_LATEST_VERSION }}
+          python-version: latest
           enable-cache: true
 
       - name: build
diff --git a/.github/workflows/jest.yml b/.github/workflows/jest.yml
index e267f8a..2e28cac 100644
--- a/.github/workflows/jest.yml
+++ b/.github/workflows/jest.yml
@@ -8,7 +8,6 @@ on:
 
 env:
   EM_CACHE_FOLDER: 'emsdk-cache'
-  NODE_LATEST_VERSION: '24'
 
 jobs:
   jest:
@@ -62,13 +61,13 @@ jobs:
 
       - uses: actions/setup-node@v6
         with:
-          node-version: ${{ env.NODE_LATEST_VERSION }}
+          node-version: latest
           cache: 'npm'
 
       - uses: actions/cache@v5
         with:
           path: ${{ env.EM_CACHE_FOLDER }}
-          key: jest-em-cache-${{ runner.os }}-${{ env.NODE_LATEST_VERSION }}
+          key: jest-em-cache-${{ runner.os }}
 
       - uses: pyodide/setup-emsdk@v15
         with:
diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index e839809..1ce8043 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -6,9 +6,6 @@ on:
   - pull_request
   - push
 
-env:
-  PYTHON_LATEST_VERSION: '3.14'
-
 jobs:
   pytest:
     runs-on: ubuntu-latest
@@ -51,7 +48,7 @@ jobs:
 
       - uses: actions/setup-python@v6
         with:
-          python-version: ${{ env.PYTHON_LATEST_VERSION }}
+          python-version: latest
           cache: 'pip'
 
       - name: install cibuildwheel
@@ -79,7 +76,7 @@ jobs:
 
       - uses: astral-sh/setup-uv@v7
         with:
-          python-version: ${{ env.PYTHON_LATEST_VERSION }}
+          python-version: latest
           enable-cache: true
 
       - name: build sdist