diff --git a/.github/workflows/burn_cell.yml b/.github/workflows/burn_cell.yml
index 7e023e7f1..f7db120b9 100644
--- a/.github/workflows/burn_cell.yml
+++ b/.github/workflows/burn_cell.yml
@@ -5,7 +5,7 @@ jobs:
   burn_cell:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/burn_cell_metal_chem.yml b/.github/workflows/burn_cell_metal_chem.yml
index 8ac7f86b6..23af33364 100644
--- a/.github/workflows/burn_cell_metal_chem.yml
+++ b/.github/workflows/burn_cell_metal_chem.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/burn_cell_primordial_chem.yml b/.github/workflows/burn_cell_primordial_chem.yml
index 598c8a91a..350d079e9 100644
--- a/.github/workflows/burn_cell_primordial_chem.yml
+++ b/.github/workflows/burn_cell_primordial_chem.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/burn_cell_sdc.yml b/.github/workflows/burn_cell_sdc.yml
index c64a790d3..2d8156c52 100644
--- a/.github/workflows/burn_cell_sdc.yml
+++ b/.github/workflows/burn_cell_sdc.yml
@@ -5,7 +5,7 @@ jobs:
   burn_cell_sdc:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/c-linter.yml b/.github/workflows/c-linter.yml
index d194b49c6..711ea79e9 100644
--- a/.github/workflows/c-linter.yml
+++ b/.github/workflows/c-linter.yml
@@ -6,7 +6,7 @@ jobs:
   cpp-linter:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/castro-development.yml b/.github/workflows/castro-development.yml
index e0e99e7fa..58793534e 100644
--- a/.github/workflows/castro-development.yml
+++ b/.github/workflows/castro-development.yml
@@ -11,15 +11,15 @@ jobs:
     name: Castro development
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
     - name: Download Castro
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
       with:
         repository: 'AMReX-Astro/Castro'
         ref: development
         path: 'Castro'
     - name: Download AMReX
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
       with:
         repository: 'AMReX-Codes/amrex'
         ref: development
diff --git a/.github/workflows/castro.yml b/.github/workflows/castro.yml
index d18899fcf..855e75ea0 100644
--- a/.github/workflows/castro.yml
+++ b/.github/workflows/castro.yml
@@ -11,19 +11,19 @@ jobs:
     name: Castro
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
     - name: Get Latest Release Tag
       run: |
         AMREX_TAG=$(wget https://github.com/AMReX-Codes/amrex/releases/latest 2>&1 | grep Location: | awk '{print $2}' | awk -F/ '{print $NF}')
         echo "AMREX_TAG=$AMREX_TAG" >> $GITHUB_ENV
     - name: Download Castro
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
       with:
         repository: 'AMReX-Astro/Castro'
         ref: development
         path: 'Castro'
     - name: Download AMReX
-      uses: actions/checkout@v6
+      uses: actions/checkout@v7
       with:
         repository: 'AMReX-Codes/amrex'
         ref: ${{env.AMREX_TAG}}
diff --git a/.github/workflows/check-ifdefs.yml b/.github/workflows/check-ifdefs.yml
index 7381998b7..ce9263e81 100644
--- a/.github/workflows/check-ifdefs.yml
+++ b/.github/workflows/check-ifdefs.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Setup Python
         uses: actions/setup-python@v6
diff --git a/.github/workflows/check_powi.yml b/.github/workflows/check_powi.yml
index cc3f6afa2..90f42eaa2 100644
--- a/.github/workflows/check_powi.yml
+++ b/.github/workflows/check_powi.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Setup Python
         uses: actions/setup-python@v6
diff --git a/.github/workflows/clang-tidy.yml b/.github/workflows/clang-tidy.yml
index f018d100e..a7b072200 100644
--- a/.github/workflows/clang-tidy.yml
+++ b/.github/workflows/clang-tidy.yml
@@ -10,7 +10,7 @@ jobs:
   clang_tidy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Get AMReX
         run: |
diff --git a/.github/workflows/cmake_build_cell_primordial_chem.yml b/.github/workflows/cmake_build_cell_primordial_chem.yml
index e3818b34b..8b56f165f 100644
--- a/.github/workflows/cmake_build_cell_primordial_chem.yml
+++ b/.github/workflows/cmake_build_cell_primordial_chem.yml
@@ -5,7 +5,7 @@ jobs:
   burn_cell:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/codespell.yml b/.github/workflows/codespell.yml
index 5c903d0ca..dc0ca5dd7 100644
--- a/.github/workflows/codespell.yml
+++ b/.github/workflows/codespell.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Setup Python
         uses: actions/setup-python@v6
diff --git a/.github/workflows/compile_action.yml b/.github/workflows/compile_action.yml
index 2b21ca403..1165e1e61 100644
--- a/.github/workflows/compile_action.yml
+++ b/.github/workflows/compile_action.yml
@@ -5,7 +5,7 @@ jobs:
   compilation:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/compiler-warnings.yml b/.github/workflows/compiler-warnings.yml
index e7b202533..cf4fe2923 100644
--- a/.github/workflows/compiler-warnings.yml
+++ b/.github/workflows/compiler-warnings.yml
@@ -5,7 +5,7 @@ jobs:
   compiler_warnings:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/create_release.yml b/.github/workflows/create_release.yml
index 99429b993..487f49239 100644
--- a/.github/workflows/create_release.yml
+++ b/.github/workflows/create_release.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Get the version
         id: get_version
diff --git a/.github/workflows/cuda.yml b/.github/workflows/cuda.yml
index 2277f117c..3072eef09 100644
--- a/.github/workflows/cuda.yml
+++ b/.github/workflows/cuda.yml
@@ -11,7 +11,7 @@ jobs:
     name: CUDA@12.9 GCC
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Get AMReX
         run: |
diff --git a/.github/workflows/docs-test.yml b/.github/workflows/docs-test.yml
index 5f6f6c979..d4e0d85e3 100644
--- a/.github/workflows/docs-test.yml
+++ b/.github/workflows/docs-test.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Install pandoc and doxygen
         run: |
diff --git a/.github/workflows/draft-pdf.yml b/.github/workflows/draft-pdf.yml
index 53d6e8aa0..9d8d541a1 100644
--- a/.github/workflows/draft-pdf.yml
+++ b/.github/workflows/draft-pdf.yml
@@ -9,7 +9,7 @@ jobs:
     name: Paper Draft
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Build draft PDF
         uses: openjournals/openjournals-draft-action@master
         with:
diff --git a/.github/workflows/eos_cell.yml b/.github/workflows/eos_cell.yml
index 6ca8c8e26..e057c85aa 100644
--- a/.github/workflows/eos_cell.yml
+++ b/.github/workflows/eos_cell.yml
@@ -5,7 +5,7 @@ jobs:
   eos_cell:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index caea30e57..dfebd33f0 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -10,7 +10,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Install pandoc and doxygen
         run: |
diff --git a/.github/workflows/hip.yml b/.github/workflows/hip.yml
index 1e0ca6602..dbda4f38a 100644
--- a/.github/workflows/hip.yml
+++ b/.github/workflows/hip.yml
@@ -10,7 +10,7 @@ jobs:
   hip-compile:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/jac_cell.yml b/.github/workflows/jac_cell.yml
index 4de1d1dde..47f469036 100644
--- a/.github/workflows/jac_cell.yml
+++ b/.github/workflows/jac_cell.yml
@@ -5,7 +5,7 @@ jobs:
   nse_table:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/macos_build_cell_metal_chem.yml b/.github/workflows/macos_build_cell_metal_chem.yml
index 50e41ca0b..10b69b567 100644
--- a/.github/workflows/macos_build_cell_metal_chem.yml
+++ b/.github/workflows/macos_build_cell_metal_chem.yml
@@ -5,7 +5,7 @@ jobs:
   burn_cell:
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/macos_build_cell_primordial_chem.yml b/.github/workflows/macos_build_cell_primordial_chem.yml
index 1ef115d58..8750a4dd3 100644
--- a/.github/workflows/macos_build_cell_primordial_chem.yml
+++ b/.github/workflows/macos_build_cell_primordial_chem.yml
@@ -5,7 +5,7 @@ jobs:
   burn_cell:
     runs-on: macos-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/nse_net.yml b/.github/workflows/nse_net.yml
index d365741c2..40c315a82 100644
--- a/.github/workflows/nse_net.yml
+++ b/.github/workflows/nse_net.yml
@@ -5,7 +5,7 @@ jobs:
   nse_net:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/nse_table.yml b/.github/workflows/nse_table.yml
index 6b34a776c..183cf745d 100644
--- a/.github/workflows/nse_table.yml
+++ b/.github/workflows/nse_table.yml
@@ -5,7 +5,7 @@ jobs:
   nse_table:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/style.yml b/.github/workflows/style.yml
index 0323188b5..075efa632 100644
--- a/.github/workflows/style.yml
+++ b/.github/workflows/style.yml
@@ -10,13 +10,13 @@ jobs:
   tabs:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Tabs
         run: .github/workflows/style/check_tabs.sh
 
   trailing_whitespaces:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Trailing Whitespaces
         run: .github/workflows/style/check_trailing_whitespaces.sh
diff --git a/.github/workflows/test_neutrinos.yml b/.github/workflows/test_neutrinos.yml
index d0f479713..5149d5007 100644
--- a/.github/workflows/test_neutrinos.yml
+++ b/.github/workflows/test_neutrinos.yml
@@ -5,7 +5,7 @@ jobs:
   test_neutrinos:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/test_nse_interp.yml b/.github/workflows/test_nse_interp.yml
index 4a5d1c386..d372a0381 100644
--- a/.github/workflows/test_nse_interp.yml
+++ b/.github/workflows/test_nse_interp.yml
@@ -5,7 +5,7 @@ jobs:
   test_nse_interp:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/test_partition_functions.yml b/.github/workflows/test_partition_functions.yml
index 46e75c322..a60deee5a 100644
--- a/.github/workflows/test_partition_functions.yml
+++ b/.github/workflows/test_partition_functions.yml
@@ -5,7 +5,7 @@ jobs:
   test_partition_functions:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/test_rhs.yml b/.github/workflows/test_rhs.yml
index 332f9df82..9de5c17cc 100644
--- a/.github/workflows/test_rhs.yml
+++ b/.github/workflows/test_rhs.yml
@@ -5,7 +5,7 @@ jobs:
   test_rhs:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/zenodo_json.yml b/.github/workflows/zenodo_json.yml
index bdf4f6120..2ff7da7f3 100644
--- a/.github/workflows/zenodo_json.yml
+++ b/.github/workflows/zenodo_json.yml
@@ -6,7 +6,7 @@ jobs:
   json_verify:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Install dependencies
         run: |