diff --git a/.github/workflows/alpine.yml b/.github/workflows/alpine.yml
index 7c82a49d..85291dfa 100644
--- a/.github/workflows/alpine.yml
+++ b/.github/workflows/alpine.yml
@@ -18,7 +18,7 @@ jobs:
           - riscv64
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v1
+        uses: actions/checkout@v4
 
       - name: Install latest Alpine Linux for ${{ matrix.arch }}
         uses: jirutka/setup-alpine@v1
diff --git a/.github/workflows/amalgamate-ubuntu20.yml b/.github/workflows/amalgamate-ubuntu20.yml
index 0611e848..af738691 100644
--- a/.github/workflows/amalgamate-ubuntu20.yml
+++ b/.github/workflows/amalgamate-ubuntu20.yml
@@ -6,7 +6,7 @@ jobs:
   ubuntu-build:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Compile with amalgamation
         run: |
           mkdir build &&
diff --git a/.github/workflows/cifuzz.yml b/.github/workflows/cifuzz.yml
index 9e6b9489..fac5cee3 100644
--- a/.github/workflows/cifuzz.yml
+++ b/.github/workflows/cifuzz.yml
@@ -20,14 +20,14 @@ jobs:
        fuzz-seconds: 300
        output-sarif: true
    - name: Upload Crash
-     uses: actions/upload-artifact@v3
+     uses: actions/upload-artifact@v4
      if: failure() && steps.build.outcome == 'success'
      with:
        name: artifacts
        path: ./out/artifacts
    - name: Upload Sarif
      if: always() && steps.build.outcome == 'success'
-     uses: github/codeql-action/upload-sarif@v2
+     uses: github/codeql-action/upload-sarif@v3
      with:
       # Path to SARIF file relative to the root of the repository
       sarif_file: cifuzz-sarif/results.sarif
diff --git a/.github/workflows/lint_and_format_check.yml b/.github/workflows/lint_and_format_check.yml
index 5f39e65c..31bbd765 100644
--- a/.github/workflows/lint_and_format_check.yml
+++ b/.github/workflows/lint_and_format_check.yml
@@ -24,7 +24,7 @@ jobs:
   lint-and-format:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - uses: actions/checkout@9a9194f87191a7e9055e3e9b95b8cfb13023bb08 # v4.1.7
 
       - name: Run clang-format
         uses: jidicula/clang-format-action@c74383674bf5f7c69f60ce562019c1c94bc1421a # v4.13.0
diff --git a/.github/workflows/msys2-clang.yml b/.github/workflows/msys2-clang.yml
index 19772cc7..fca8ab7d 100644
--- a/.github/workflows/msys2-clang.yml
+++ b/.github/workflows/msys2-clang.yml
@@ -23,7 +23,7 @@ jobs:
       CMAKE_GENERATOR: Ninja
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: msys2/setup-msys2@v2
         with:
           update: true
diff --git a/.github/workflows/msys2.yml b/.github/workflows/msys2.yml
index a44cfe2c..86be5244 100644
--- a/.github/workflows/msys2.yml
+++ b/.github/workflows/msys2.yml
@@ -29,7 +29,7 @@ jobs:
       CMAKE_GENERATOR: Ninja
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: msys2/setup-msys2@v2
         with:
           update: true
diff --git a/.github/workflows/on-release.yml b/.github/workflows/on-release.yml
index f734e9ec..47024dc8 100644
--- a/.github/workflows/on-release.yml
+++ b/.github/workflows/on-release.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       
       - name: Amalgamate fast_float.h
         run: |
diff --git a/.github/workflows/s390x.yml b/.github/workflows/s390x.yml
index d4985821..fb2f8ed4 100644
--- a/.github/workflows/s390x.yml
+++ b/.github/workflows/s390x.yml
@@ -12,7 +12,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: uraimo/run-on-arch-action@v2
         name: Test
         id: runcmd
diff --git a/.github/workflows/ubuntu20-cxx20.yml b/.github/workflows/ubuntu20-cxx20.yml
index 72908b74..ff226c7d 100644
--- a/.github/workflows/ubuntu20-cxx20.yml
+++ b/.github/workflows/ubuntu20-cxx20.yml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       fail-fast: false
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Use cmake
         run: |
           mkdir build &&
diff --git a/.github/workflows/ubuntu20-fastmath.yml b/.github/workflows/ubuntu20-fastmath.yml
index 90f53476..a2d7b6db 100644
--- a/.github/workflows/ubuntu20-fastmath.yml
+++ b/.github/workflows/ubuntu20-fastmath.yml
@@ -6,7 +6,7 @@ jobs:
   ubuntu-build:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Use cmake
         run: |
           mkdir build &&
diff --git a/.github/workflows/ubuntu20.yml b/.github/workflows/ubuntu20.yml
index 88c09bad..f0a8b6f3 100644
--- a/.github/workflows/ubuntu20.yml
+++ b/.github/workflows/ubuntu20.yml
@@ -6,7 +6,7 @@ jobs:
   ubuntu-build:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Use cmake
         run: |
           mkdir build &&
diff --git a/.github/workflows/ubuntu22-clang.yml b/.github/workflows/ubuntu22-clang.yml
index b0f9b6d6..ad335f1d 100644
--- a/.github/workflows/ubuntu22-clang.yml
+++ b/.github/workflows/ubuntu22-clang.yml
@@ -6,7 +6,7 @@ jobs:
   ubuntu-build:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install clang++-14
         run: sudo apt-get install -y clang++-14
       - name: Use cmake
diff --git a/.github/workflows/ubuntu22-gcc12.yml b/.github/workflows/ubuntu22-gcc12.yml
index 3f6062e2..af7f8b90 100644
--- a/.github/workflows/ubuntu22-gcc12.yml
+++ b/.github/workflows/ubuntu22-gcc12.yml
@@ -6,7 +6,7 @@ jobs:
   ubuntu-build:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Use cmake
         run: |
           mkdir build &&
diff --git a/.github/workflows/ubuntu22-sanitize.yml b/.github/workflows/ubuntu22-sanitize.yml
index 6275961f..18a4c266 100644
--- a/.github/workflows/ubuntu22-sanitize.yml
+++ b/.github/workflows/ubuntu22-sanitize.yml
@@ -6,7 +6,7 @@ jobs:
   ubuntu-build:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Use cmake
         run: |
           mkdir build &&
diff --git a/.github/workflows/ubuntu22.yml b/.github/workflows/ubuntu22.yml
index 2ba47693..ccf912ec 100644
--- a/.github/workflows/ubuntu22.yml
+++ b/.github/workflows/ubuntu22.yml
@@ -6,7 +6,7 @@ jobs:
   ubuntu-build:
     runs-on: ubuntu-22.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Use cmake
         run: |
           mkdir build &&
diff --git a/.github/workflows/ubuntu24.yml b/.github/workflows/ubuntu24.yml
index fbed8540..0a327b34 100644
--- a/.github/workflows/ubuntu24.yml
+++ b/.github/workflows/ubuntu24.yml
@@ -6,7 +6,7 @@ jobs:
   ubuntu-build:
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Use cmake
         run: |
           mkdir build &&
diff --git a/.github/workflows/vs17-arm-ci.yml b/.github/workflows/vs17-arm-ci.yml
index 7c2791af..9b11d83e 100644
--- a/.github/workflows/vs17-arm-ci.yml
+++ b/.github/workflows/vs17-arm-ci.yml
@@ -16,7 +16,7 @@ jobs:
           - {gen: Visual Studio 17 2022, arch: ARM64, cfg: Debug}
     steps:
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: configure
         run: |
           cmake -S . -B build -G "${{matrix.gen}}" -A ${{matrix.arch}} -DCMAKE_CROSSCOMPILING=1 -DFASTFLOAT_TEST=ON
diff --git a/.github/workflows/vs17-ci.yml b/.github/workflows/vs17-ci.yml
index 94f5a100..3b598050 100644
--- a/.github/workflows/vs17-ci.yml
+++ b/.github/workflows/vs17-ci.yml
@@ -16,7 +16,7 @@ jobs:
           - {gen: Visual Studio 17 2022, arch: x64, cfg: Debug}
     steps:
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: configure
         run: |
           cmake -S . -B build -G "${{matrix.gen}}" -A ${{matrix.arch}} -DFASTFLOAT_TEST=ON -DCMAKE_INSTALL_PREFIX:PATH=destination
diff --git a/.github/workflows/vs17-clang-ci.yml b/.github/workflows/vs17-clang-ci.yml
index e99d5d40..20c1dea5 100644
--- a/.github/workflows/vs17-clang-ci.yml
+++ b/.github/workflows/vs17-clang-ci.yml
@@ -16,7 +16,7 @@ jobs:
           - {gen: Visual Studio 17 2022, arch: x64, cfg: Debug}
     steps:
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Configure
         run: |
           cmake -S . -B build -G "${{matrix.gen}}" -A ${{matrix.arch}} -T ClangCL -DFASTFLOAT_TEST=ON
diff --git a/.github/workflows/vs17-cxx20.yml b/.github/workflows/vs17-cxx20.yml
index d9d68763..b35b06a0 100644
--- a/.github/workflows/vs17-cxx20.yml
+++ b/.github/workflows/vs17-cxx20.yml
@@ -16,7 +16,7 @@ jobs:
           - {gen: Visual Studio 17 2022, arch: x64, cfg: Debug}
     steps:
       - name: checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: configure
         run: >-
           cmake -S . -B build -G "${{matrix.gen}}" -A ${{matrix.arch}}