diff --git a/.github/workflows/conda-build.yml b/.github/workflows/conda-build.yml
index 66145cb..519d417 100644
--- a/.github/workflows/conda-build.yml
+++ b/.github/workflows/conda-build.yml
@@ -99,7 +99,7 @@ jobs:
         echo "$INSTALLED" | grep "${{ env.VERSION }}" -Fq
 
     - name: Upload built conda package ready for upload on release
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: conda-build-${{ matrix.os }}-${{ inputs.package_name }}-${{ inputs.version }}
         path: ${{ env.MAMBA_ROOT_PREFIX }}/envs/condabuild/conda-bld/
diff --git a/.github/workflows/pip-build.yml b/.github/workflows/pip-build.yml
index c0ddefc..fb0364b 100644
--- a/.github/workflows/pip-build.yml
+++ b/.github/workflows/pip-build.yml
@@ -64,7 +64,7 @@ jobs:
       run: python -m build
 
     - name: Create built package artifact ready for upload on release
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: ${{ env.PACKAGENAME }}
         path: dist/*
diff --git a/.github/workflows/python-memory-profile.yml b/.github/workflows/python-memory-profile.yml
index a80fe7e..057211c 100644
--- a/.github/workflows/python-memory-profile.yml
+++ b/.github/workflows/python-memory-profile.yml
@@ -46,7 +46,7 @@ jobs:
 
       - name: Upload flamegraph(s)
         if: inputs.upload_flamegraph == true
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: memory-profiling-flamegraphs
           path: ~/flamegraphs/*.html