diff --git a/.github/workflows/analysis_workflow.yml b/.github/workflows/analysis_workflow.yml
index 978ca2aa7c..6e91c82f3a 100644
--- a/.github/workflows/analysis_workflow.yml
+++ b/.github/workflows/analysis_workflow.yml
@@ -39,7 +39,7 @@ jobs:
       - name: Setup container
         run: sudo rm -rf /usr/local/lib64/cmake/glew
       - name: Checkout
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
         with:
           fetch-depth: 50
       - name: Create build directories
@@ -109,7 +109,7 @@ jobs:
       - name: Setup container
         run: sudo rm -rf /usr/local/lib64/cmake/glew
       - name: Checkout
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
         with:
           fetch-depth: 50
       - name: Create build directories
@@ -188,7 +188,7 @@ jobs:
       - name: Setup container
         run: sudo rm -rf /usr/local/lib64/cmake/glew
       - name: Checkout
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
         with:
           fetch-depth: 50
       - name: Create build directories
diff --git a/.github/workflows/bazel_build.yml b/.github/workflows/bazel_build.yml
index f011fe438e..dc0738a247 100644
--- a/.github/workflows/bazel_build.yml
+++ b/.github/workflows/bazel_build.yml
@@ -45,7 +45,7 @@ jobs:
     runs-on: ubuntu-22.04
     
     steps:
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+    - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
 
     - name: Mount Bazel cache
       uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
@@ -63,7 +63,7 @@ jobs:
     runs-on: windows-2022
 
     steps:
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+    - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
 
     - name: Mount Bazel cache
       uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
@@ -81,7 +81,7 @@ jobs:
     runs-on: macos-13
 
     steps:
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+    - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
 
     - name: Mount Bazel cache
       uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
@@ -99,7 +99,7 @@ jobs:
     runs-on: macos-14
 
     steps:
-    - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+    - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
 
     - name: Mount Bazel cache
       uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
diff --git a/.github/workflows/ci_workflow.yml b/.github/workflows/ci_workflow.yml
index 92e4db3baf..5b0255babf 100644
--- a/.github/workflows/ci_workflow.yml
+++ b/.github/workflows/ci_workflow.yml
@@ -225,7 +225,7 @@ jobs:
       CC: ${{ matrix.cc-compiler }}
     steps:
       - name: Checkout
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
       - name: Create build directories
         run: |
           mkdir _install
@@ -359,7 +359,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
       - name: Create build directories
         run: |
           mkdir _install
@@ -487,7 +487,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
       - name: Create build directories
         run: |
           mkdir _install
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 39893fb030..210546a7e7 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -55,7 +55,7 @@ jobs:
         # your codebase is analyzed, see https://docs.github.com/en/code-security/code-scanning/creating-an-advanced-setup-for-code-scanning/codeql-code-scanning-for-compiled-languages
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v4.1.2
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/python-wheels-publish-test.yml b/.github/workflows/python-wheels-publish-test.yml
index 300b91b916..b9da14a211 100644
--- a/.github/workflows/python-wheels-publish-test.yml
+++ b/.github/workflows/python-wheels-publish-test.yml
@@ -33,7 +33,7 @@ jobs:
       
     steps:
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
 
       - name: Install Python 
         uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
diff --git a/.github/workflows/python-wheels-publish.yml b/.github/workflows/python-wheels-publish.yml
index 169a3c8554..7fc3288b89 100644
--- a/.github/workflows/python-wheels-publish.yml
+++ b/.github/workflows/python-wheels-publish.yml
@@ -29,7 +29,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
 
       - name: Install Python 
         uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
diff --git a/.github/workflows/python-wheels.yml b/.github/workflows/python-wheels.yml
index 36f58f509a..93683d2d2e 100644
--- a/.github/workflows/python-wheels.yml
+++ b/.github/workflows/python-wheels.yml
@@ -42,7 +42,7 @@ jobs:
     steps:
 
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
 
       - name: Install Python 
         uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
diff --git a/.github/workflows/release-sign.yml b/.github/workflows/release-sign.yml
index fd17ba130e..3f1f01158e 100644
--- a/.github/workflows/release-sign.yml
+++ b/.github/workflows/release-sign.yml
@@ -49,7 +49,7 @@ jobs:
         shell: bash
 
       - name: Checkout
-        uses: actions/checkout@ee0669bd1cc54295c223e0bb666b733df41de1c5 # v2.7.0
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
 
       - name: Create archive
         run: git archive --format=tar.gz -o ${OPENEXR_TARBALL} --prefix ${OPENEXR_PREFIX} ${TAG}
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 24c16cb39a..8d5aab09a3 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # v3.1.0
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/snyk-scan-cron.yml b/.github/workflows/snyk-scan-cron.yml
index 143cb73de4..00e514f12c 100644
--- a/.github/workflows/snyk-scan-cron.yml
+++ b/.github/workflows/snyk-scan-cron.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.repository == 'AcademySoftwareFoundation/openexr'
     steps:
-      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+      - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
 
       - uses: snyk/actions/setup@8349f9043a8b7f0f3ee8885bf28f0b388d2446e8 # master
         id: snyk
diff --git a/.github/workflows/website.yml b/.github/workflows/website.yml
index d29adcc630..b7954c458f 100644
--- a/.github/workflows/website.yml
+++ b/.github/workflows/website.yml
@@ -54,7 +54,7 @@ jobs:
       
     steps:
       - name: Checkout
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2
       - name: Create build directory
         run: mkdir _build
       - name: Install doxygen