diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index 2ea30d6fddb..6aa4809c1c2 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -45,7 +45,7 @@ jobs:
         run: julia --project=benchmark/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd())); Pkg.instantiate()'
       - name: Run benchmarks
         run: julia --project=benchmark/ --color=yes benchmark/run_benchmarks.jl
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: my-artifact
           path: benchmark/results*.md
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cf8107736e9..2c0ea798b49 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -153,7 +153,7 @@ jobs:
       - shell: bash
         run: |
           cp ./lcov.info ./lcov-${{ matrix.trixi_test }}-${{ matrix.os }}-${{ matrix.version }}-${{ matrix.arch }}.info
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: lcov-${{ matrix.trixi_test }}-${{ matrix.os }}-${{ matrix.version }}-${{ matrix.arch }}
           path: ./lcov-${{ matrix.trixi_test }}-${{ matrix.os }}-${{ matrix.version }}-${{ matrix.arch }}.info
@@ -176,7 +176,7 @@ jobs:
       # At first, we check out the repository and download all artifacts
       # (and list files for debugging).
       - uses: actions/checkout@v4
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
       - run: ls -R
       # Next, we merge the individual coverage files and upload
       # the combined results to Coveralls.
@@ -199,7 +199,7 @@ jobs:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           path-to-lcov: ./lcov.info
       # Upload merged coverage data as artifact for debugging
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: lcov
           path: ./lcov.info