diff --git a/.github/workflows/pnl-ci-docs.yml b/.github/workflows/pnl-ci-docs.yml
index 14e4d938b34..2e5f305ca51 100644
--- a/.github/workflows/pnl-ci-docs.yml
+++ b/.github/workflows/pnl-ci-docs.yml
@@ -124,7 +124,7 @@ jobs:
       run: git tag -d 'v0.0.0.0'
 
     - name: Upload Documentation
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: Documentation-${{matrix.pnl-version}}-${{ matrix.os }}-${{ matrix.python-version }}-${{ matrix.python-architecture }}
         retention-days: 1
@@ -138,7 +138,7 @@ jobs:
     - name: Upload PR number for other workflows
       # The 'base' variant runs only on pull requests and has only one job
       if: ${{ matrix.pnl-version == 'base' }}
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
           name: pr_number
           path: ./pr_number.txt
@@ -170,7 +170,7 @@ jobs:
         ref: gh-pages
 
     - name: Download branch docs
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: Documentation-head-${{ matrix.os }}-${{ matrix.python-version }}-x64
         path: _built_docs/${{ github.ref }}
@@ -187,7 +187,7 @@ jobs:
       if: github.ref == 'refs/heads/master' || github.ref == 'refs/heads/devel' || github.ref == 'refs/heads/docs'
 
     - name: Download main docs
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: Documentation-head-${{ matrix.os }}-${{ matrix.python-version }}-x64
         # This overwrites files in current directory
diff --git a/.github/workflows/pnl-ci.yml b/.github/workflows/pnl-ci.yml
index 4c7407b562f..98452639a94 100644
--- a/.github/workflows/pnl-ci.yml
+++ b/.github/workflows/pnl-ci.yml
@@ -176,7 +176,7 @@ jobs:
       run: pytest --junit-xml=tests_out.xml --verbosity=0 -n auto ${{ matrix.extra-args }}
 
     - name: Upload test results
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: test-results-${{ matrix.os }}-${{ matrix.python-version }}-${{ matrix.python-architecture }}-${{ matrix.version-restrict }}
         path: tests_out.xml
@@ -202,7 +202,7 @@ jobs:
         python setup.py sdist bdist_wheel
 
     - name: Upload dist packages
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: matrix.version-restrict == ''
       with:
         name: dist-${{ matrix.os }}-${{ matrix.python-version }}-${{ matrix.python-architecture }}
diff --git a/.github/workflows/test-release.yml b/.github/workflows/test-release.yml
index 45cacf39c88..8df8c2bfef2 100644
--- a/.github/workflows/test-release.yml
+++ b/.github/workflows/test-release.yml
@@ -38,7 +38,7 @@ jobs:
         echo "wheel=$(ls *.whl)" >> $GITHUB_OUTPUT
 
     - name: Upload Python dist files
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: Python-dist-files
         path: dist/
@@ -78,7 +78,7 @@ jobs:
 
     steps:
     - name: Download dist files
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: Python-dist-files
         path: dist/
@@ -126,7 +126,7 @@ jobs:
         pytest  --junit-xml=tests_out.xml --verbosity=0 -n auto tests
 
     - name: Upload test results
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: test-results-${{ matrix.os }}-${{ matrix.python-version }}
         path: tests_out.xml
@@ -141,7 +141,7 @@ jobs:
 
     steps:
     - name: Download dist files
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: Python-dist-files
         path: dist/
@@ -175,7 +175,7 @@ jobs:
 
     steps:
     - name: Download dist files
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: Python-dist-files
         path: dist/