diff --git a/.github/workflows/cache_data.yaml b/.github/workflows/cache_data.yaml
index 0ce6ac025de..46c37211424 100644
--- a/.github/workflows/cache_data.yaml
+++ b/.github/workflows/cache_data.yaml
@@ -76,7 +76,7 @@ jobs:
 
       # Upload the downloaded files as artifacts to GitHub
       - name: Upload artifacts to GitHub
-        uses: actions/upload-artifact@v4.5.0
+        uses: actions/upload-artifact@v4.6.0
         with:
           name: gmt-cache
           include-hidden-files: true
diff --git a/.github/workflows/ci_tests.yaml b/.github/workflows/ci_tests.yaml
index 2fad4df7a51..44416d210e0 100644
--- a/.github/workflows/ci_tests.yaml
+++ b/.github/workflows/ci_tests.yaml
@@ -177,7 +177,7 @@ jobs:
 
       # Upload diff images on test failure
       - name: Upload diff images if any test fails
-        uses: actions/upload-artifact@v4.5.0
+        uses: actions/upload-artifact@v4.6.0
         if: failure()
         with:
           name: artifact-${{ runner.os }}-${{ matrix.python-version }}
diff --git a/.github/workflows/ci_tests_dev.yaml b/.github/workflows/ci_tests_dev.yaml
index c222de5d5a6..6932a0d520b 100644
--- a/.github/workflows/ci_tests_dev.yaml
+++ b/.github/workflows/ci_tests_dev.yaml
@@ -187,7 +187,7 @@ jobs:
 
       # Upload diff images on test failure
       - name: Upload diff images if any test fails
-        uses: actions/upload-artifact@v4.5.0
+        uses: actions/upload-artifact@v4.6.0
         if: ${{ failure() }}
         with:
           name: artifact-GMT-${{ matrix.gmt_git_ref }}-${{ runner.os }}
diff --git a/.github/workflows/publish-to-pypi.yml b/.github/workflows/publish-to-pypi.yml
index 15c66e1842b..917353ee85a 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@v4.5.0
+      uses: actions/upload-artifact@v4.6.0
       with:
         name: python-package-distributions
         path: dist/