diff --git a/.github/workflows/cache_data.yaml b/.github/workflows/cache_data.yaml
index 725c3e4c2a3..cdbb148a6ea 100644
--- a/.github/workflows/cache_data.yaml
+++ b/.github/workflows/cache_data.yaml
@@ -74,7 +74,7 @@ jobs:
 
       # Upload the downloaded files as artifacts to GitHub
       - name: Upload artifacts to GitHub
-        uses: actions/upload-artifact@v5.0.0
+        uses: actions/upload-artifact@v6.0.0
         with:
           name: gmt-cache
           include-hidden-files: true
diff --git a/.github/workflows/cache_dvc.yaml b/.github/workflows/cache_dvc.yaml
index 53bdd981f46..e82779df502 100644
--- a/.github/workflows/cache_dvc.yaml
+++ b/.github/workflows/cache_dvc.yaml
@@ -52,7 +52,7 @@ jobs:
           dvc pull --no-run-cache --verbose && ls -lhR pygmt/tests/baseline/
 
       - name: Upload DVC cache as artifacts to GitHub
-        uses: actions/upload-artifact@v5.0.0
+        uses: actions/upload-artifact@v6.0.0
         with:
           name: dvc-cache
           include-hidden-files: true
diff --git a/.github/workflows/ci_docs.yml b/.github/workflows/ci_docs.yml
index de9bb6ce5ab..5071c99179b 100644
--- a/.github/workflows/ci_docs.yml
+++ b/.github/workflows/ci_docs.yml
@@ -150,7 +150,7 @@ jobs:
           cd ../..
 
       - name: Upload PDF as artifact for previewing on pull requests
-        uses: actions/upload-artifact@v5.0.0
+        uses: actions/upload-artifact@v6.0.0
         if: github.event_name == 'pull_request' && matrix.os == 'ubuntu-latest'
         with:
           name: artifact-pygmt-docs-pdf
diff --git a/.github/workflows/ci_tests.yaml b/.github/workflows/ci_tests.yaml
index 17b9bd0fe26..56b38c3a88b 100644
--- a/.github/workflows/ci_tests.yaml
+++ b/.github/workflows/ci_tests.yaml
@@ -190,7 +190,7 @@ jobs:
 
       # Upload diff images on test failure
       - name: Upload diff images if any test fails
-        uses: actions/upload-artifact@v5.0.0
+        uses: actions/upload-artifact@v6.0.0
         if: failure()
         with:
           name: artifact-${{ matrix.os }}-${{ matrix.python-version }}
diff --git a/.github/workflows/ci_tests_dev.yaml b/.github/workflows/ci_tests_dev.yaml
index ae2f371d622..f3ba72b1f58 100644
--- a/.github/workflows/ci_tests_dev.yaml
+++ b/.github/workflows/ci_tests_dev.yaml
@@ -201,7 +201,7 @@ jobs:
 
       # Upload diff images on test failure
       - name: Upload diff images if any test fails
-        uses: actions/upload-artifact@v5.0.0
+        uses: actions/upload-artifact@v6.0.0
         if: ${{ failure() }}
         with:
           name: artifact-${{ matrix.os }}-GMT-${{ matrix.gmt_git_ref }}
diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index 3951a00d1b3..6e95b8f7be0 100644
--- a/.github/workflows/publish-to-pypi.yml
+++ b/.github/workflows/publish-to-pypi.yml
@@ -72,7 +72,7 @@ jobs:
         ls -lh dist/
 
     - name: Store the distribution packages
-      uses: actions/upload-artifact@v5.0.0
+      uses: actions/upload-artifact@v6.0.0
       with:
         name: python-package-distributions
         path: dist/