diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 6419747206..27274261a8 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -42,7 +42,7 @@ jobs:
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v4
+      uses: github/codeql-action/init@v4.35.2
       with:
         languages: ${{ matrix.language }}
         # If you wish to specify custom queries, you can do so here or in a config file.
@@ -56,7 +56,7 @@ jobs:
     # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
     - name: Autobuild
-      uses: github/codeql-action/autobuild@v4
+      uses: github/codeql-action/autobuild@v4.35.2
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
@@ -69,4 +69,4 @@ jobs:
     #   ./location_of_script_within_repo/buildscript.sh
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v4
+      uses: github/codeql-action/analyze@v4.35.2
diff --git a/.github/workflows/latest-deps.yml b/.github/workflows/latest-deps.yml
index 9ba91d7434..fac81617f7 100644
--- a/.github/workflows/latest-deps.yml
+++ b/.github/workflows/latest-deps.yml
@@ -15,7 +15,7 @@ jobs:
     steps:
     - uses: actions/checkout@v6
     - name: Setup Miniconda
-      uses: conda-incubator/setup-miniconda@v3.2.0
+      uses: conda-incubator/setup-miniconda@v4.0.1
       with:
           auto-update-conda: true
           python-version: "3.12"
diff --git a/.github/workflows/minimal.yml b/.github/workflows/minimal.yml
index 1ccdc279c5..4b84afbdf8 100644
--- a/.github/workflows/minimal.yml
+++ b/.github/workflows/minimal.yml
@@ -15,7 +15,7 @@ jobs:
     steps:
     - uses: actions/checkout@v6
     - name: Setup Miniconda
-      uses: conda-incubator/setup-miniconda@v3.2.0
+      uses: conda-incubator/setup-miniconda@v4.0.1
       with:
           channels: conda-forge
           environment-file: environment.yml
diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 5e833317ce..da0b67c463 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -48,7 +48,7 @@ jobs:
       with:
         fetch-depth: 0
     - name: Setup Miniconda
-      uses: conda-incubator/setup-miniconda@v3.2.0
+      uses: conda-incubator/setup-miniconda@v4.0.1
       with:
           channels: conda-forge
           python-version: ${{ matrix.python-version }}
@@ -83,7 +83,7 @@ jobs:
         mkdir ~/blob_emulator
         azurite -l ~/blob_emulator --debug debug.log 2>&1 > stdouterr.log &
         pytest --cov=zarr --cov-config=pyproject.toml --doctest-plus --cov-report xml --cov=./ --timeout=300
-    - uses: codecov/codecov-action@v5
+    - uses: codecov/codecov-action@v6
       env:
         CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
       with:
diff --git a/.github/workflows/releases.yml b/.github/workflows/releases.yml
index 917149e03e..045616676a 100644
--- a/.github/workflows/releases.yml
+++ b/.github/workflows/releases.yml
@@ -16,7 +16,7 @@ jobs:
           submodules: true
           fetch-depth: 0
 
-      - uses: actions/setup-python@v6.1.0
+      - uses: actions/setup-python@v6.2.0
         name: Install Python
         with:
           python-version: '3.11'
@@ -36,7 +36,7 @@ jobs:
           else
             echo "All seem good"
           fi
-      - uses: actions/upload-artifact@v6
+      - uses: actions/upload-artifact@v7
         with:
           name: releases
           path: dist
@@ -45,7 +45,7 @@ jobs:
     needs: [build_artifacts]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/download-artifact@v7
+      - uses: actions/download-artifact@v8
         with:
           name: releases
           path: dist
@@ -60,11 +60,11 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags/v')
     steps:
-      - uses: actions/download-artifact@v7
+      - uses: actions/download-artifact@v8
         with:
           name: releases
           path: dist
-      - uses: pypa/gh-action-pypi-publish@v1.13.0
+      - uses: pypa/gh-action-pypi-publish@v1.14.0
         with:
           user: __token__
           password: ${{ secrets.pypi_password }}
diff --git a/.github/workflows/windows-testing.yml b/.github/workflows/windows-testing.yml
index 46b621bb3f..01bf559ba1 100644
--- a/.github/workflows/windows-testing.yml
+++ b/.github/workflows/windows-testing.yml
@@ -21,7 +21,7 @@ jobs:
       - uses: actions/checkout@v6
         with:
           fetch-depth: 0
-      - uses: conda-incubator/setup-miniconda@v3.2.0
+      - uses: conda-incubator/setup-miniconda@v4.0.1
         with:
           auto-update-conda: true
           python-version: ${{ matrix.python-version }}