diff --git a/.github/workflows/bump-version.yml b/.github/workflows/bump-version.yml
index d4e6231dd..6b7c21cc8 100644
--- a/.github/workflows/bump-version.yml
+++ b/.github/workflows/bump-version.yml
@@ -51,7 +51,7 @@ jobs:
           app-id: ${{ secrets.OURANOS_HELPER_BOT_ID }}
           private-key: ${{ secrets.OURANOS_HELPER_BOT_KEY }}
       - name: Checkout Repository
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
         with:
           token: ${{ steps.token_generator.outputs.token }}
       - name: Set up Python3
diff --git a/.github/workflows/cache-cleaner.yml b/.github/workflows/cache-cleaner.yml
index a7e24dd0f..fc4462951 100644
--- a/.github/workflows/cache-cleaner.yml
+++ b/.github/workflows/cache-cleaner.yml
@@ -25,7 +25,7 @@ jobs:
             objects.githubusercontent.com:443
 
       - name: Checkout Repository
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
 
       - name: Cleanup
         run: |
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index e2bc56066..1287bca58 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -52,7 +52,7 @@ jobs:
             pypi.org:443
             uploads.github.com:443
       - name: Checkout Repository
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
         uses: github/codeql-action/init@1245696032ecf7d39f87d54daa406e22ddf769a8
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index a8e4802d0..280e97655 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -26,7 +26,7 @@ jobs:
             github.com:443
 
       - name: Checkout Repository
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
 
       - name: Dependency Review
         uses: actions/dependency-review-action@5a2ce3f5b92ee19cbb1541a4984c76d921601d7c # v4.3.4
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 495995d05..fea98161a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -49,7 +49,7 @@ jobs:
             github.com:443
             pypi.org:443
       - name: Checkout Repository
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: Set up Python3
         uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
         with:
@@ -59,7 +59,7 @@ jobs:
         run: |
           python -m pip install --require-hashes -r CI/requirements_ci.txt
       - name: Environment Caching
-        uses: actions/cache@2cdf405574d6ef1f33a1d12acccd3ae82f47b3f2 # v4.1.0
+        uses: actions/cache@3624ceb22c1c5a301c8db4169662070a689d9ea8 # v4.1.1
         with:
           path: |
             ${{ matrix.testdata-cache }}
@@ -95,7 +95,7 @@ jobs:
             pypi.org:443
             raw.githubusercontent.com:443
       - name: Checkout Repository
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: Set up Python${{ matrix.python-version }}
         uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
         with:
@@ -105,7 +105,7 @@ jobs:
         run: |
           python -m pip install --require-hashes -r CI/requirements_ci.txt
       - name: Environment Caching
-        uses: actions/cache@2cdf405574d6ef1f33a1d12acccd3ae82f47b3f2 # v4.1.0
+        uses: actions/cache@3624ceb22c1c5a301c8db4169662070a689d9ea8 # v4.1.1
         with:
           path: |
             ${{ matrix.testdata-cache }}
@@ -193,7 +193,7 @@ jobs:
             pypi.org:443
             raw.githubusercontent.com:443
       - name: Checkout Repository
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: Install Eigen3 (SBCK)
         if: ${{ matrix.python-version == '3.11' && matrix.os == 'ubuntu-latest' }}
         run: |
@@ -210,7 +210,7 @@ jobs:
       - name: Environment Caching
         # if prefetch is not in tox-env
         if: contains(matrix.tox-env, 'prefetch') == false
-        uses: actions/cache@2cdf405574d6ef1f33a1d12acccd3ae82f47b3f2 # v4.1.0
+        uses: actions/cache@3624ceb22c1c5a301c8db4169662070a689d9ea8 # v4.1.1
         with:
           path: |
             ${{ matrix.testdata-cache }}
@@ -267,7 +267,7 @@ jobs:
             raw.githubusercontent.com:443
             repo.anaconda.com:443
       - name: Checkout Repository
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: Setup Conda (Micromamba) with Python${{ matrix.python-version }}
         uses: mamba-org/setup-micromamba@617811f69075e3fd3ae68ca64220ad065877f246 # v2.0.0
         with:
@@ -280,7 +280,7 @@ jobs:
         run: |
           echo "micromamba: $(micromamba --version)"
       - name: Test Data Caching
-        uses: actions/cache@2cdf405574d6ef1f33a1d12acccd3ae82f47b3f2 # v4.1.0
+        uses: actions/cache@3624ceb22c1c5a301c8db4169662070a689d9ea8 # v4.1.1
         with:
           path: |
             ${{ matrix.testdata-cache }}
@@ -329,6 +329,6 @@ jobs:
           disable-sudo: true
           egress-policy: audit
       - name: Coveralls Finished
-        uses: coverallsapp/github-action@643bc377ffa44ace6394b2b5d0d3950076de9f63 # v2.3.0
+        uses: coverallsapp/github-action@43f11c4e058174f808ee9cd63701b6c42fe3f5e3 # v2.3.2
         with:
           parallel-finished: true
diff --git a/.github/workflows/publish-mastodon.yml b/.github/workflows/publish-mastodon.yml
index c1c4d97c1..002fe7a77 100644
--- a/.github/workflows/publish-mastodon.yml
+++ b/.github/workflows/publish-mastodon.yml
@@ -35,7 +35,7 @@ jobs:
             github.com:443
 
       - name: Checkout Repository
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
 
       - name: Current Version
         if: ${{ !github.event.inputs.version-tag }}
diff --git a/.github/workflows/publish-pypi.yml b/.github/workflows/publish-pypi.yml
index eceb2bab7..62ae49a15 100644
--- a/.github/workflows/publish-pypi.yml
+++ b/.github/workflows/publish-pypi.yml
@@ -28,7 +28,7 @@ jobs:
             pypi.org:443
             upload.pypi.org:443
       - name: Checkout Repository
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: Set up Python3
         uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
         with:
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index bb5d6a879..ce198d456 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -35,7 +35,7 @@ jobs:
           egress-policy: audit
 
       - name: Checkout Repository
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871
         with:
           persist-credentials: false
 
@@ -59,7 +59,7 @@ jobs:
       # Upload the results as artifacts (optional). Commenting out will disable uploads of run results in SARIF
       # format to the repository Actions tab.
       - name: Upload Artifact
-        uses: actions/upload-artifact@50769540e7f4bd5e21e526ee35c689e35e0d6874
+        uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882
         with:
           name: SARIF file
           path: results.sarif
diff --git a/.github/workflows/tag-testpypi.yml b/.github/workflows/tag-testpypi.yml
index 905484083..60373dbad 100644
--- a/.github/workflows/tag-testpypi.yml
+++ b/.github/workflows/tag-testpypi.yml
@@ -28,7 +28,7 @@ jobs:
             pypi.org:443
             test.pypi.org:443
       - name: Checkout Repository
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: Set up Python3
         uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
         with:
diff --git a/.github/workflows/testdata-version.yml b/.github/workflows/testdata-version.yml
index 025b6211c..d8535a13f 100644
--- a/.github/workflows/testdata-version.yml
+++ b/.github/workflows/testdata-version.yml
@@ -30,7 +30,7 @@ jobs:
             api.github.com:443
             github.com:443
       - name: Checkout Repository
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: Find xclim-testdata Tag and CI Testing Branch
         run: |
           XCLIM_TESTDATA_TAG="$( \
diff --git a/.github/workflows/upstream.yml b/.github/workflows/upstream.yml
index a382c9c9a..612f20c97 100644
--- a/.github/workflows/upstream.yml
+++ b/.github/workflows/upstream.yml
@@ -54,7 +54,7 @@ jobs:
             raw.githubusercontent.com:443
             repo.anaconda.com:443
       - name: Checkout Repository
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
         with:
           fetch-depth: 0 # Fetch all history for all branches and tags.
       - name: Setup Conda (Micromamba) with Python${{ matrix.python-version }}
@@ -85,7 +85,7 @@ jobs:
           xclim show_version_info
           python -m pip check || true
       - name: Test Data Caching
-        uses: actions/cache@2cdf405574d6ef1f33a1d12acccd3ae82f47b3f2 # v4.1.0
+        uses: actions/cache@3624ceb22c1c5a301c8db4169662070a689d9ea8 # v4.1.1
         with:
           path: |
             ${{ matrix.testdata-cache }}