diff --git a/.github/workflows/gh-gasnet.yml b/.github/workflows/gh-gasnet.yml
index 7b47c3a496..a4ae5d917d 100644
--- a/.github/workflows/gh-gasnet.yml
+++ b/.github/workflows/gh-gasnet.yml
@@ -87,7 +87,7 @@ jobs:
           ls -lAhR "${CONDA_OUTPUT}"
 
       - name: Upload gasnet wrapper artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ env.ARTIFACT_NAME }}
           path: ${{ env.ARTIFACT_PATH }}
diff --git a/.github/workflows/gh-mpi.yml b/.github/workflows/gh-mpi.yml
index 2568d3d157..9884be664d 100644
--- a/.github/workflows/gh-mpi.yml
+++ b/.github/workflows/gh-mpi.yml
@@ -75,7 +75,7 @@ jobs:
           ls -lAhR "${CONDA_OUTPUT}"
 
       - name: Upload mpi wrapper artifacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ env.ARTIFACT_NAME }}
           path: ${{ env.ARTIFACT_PATH }}
diff --git a/.github/workflows/source-build-cpu.yml b/.github/workflows/source-build-cpu.yml
index f27795502d..fa61ade817 100644
--- a/.github/workflows/source-build-cpu.yml
+++ b/.github/workflows/source-build-cpu.yml
@@ -196,7 +196,7 @@ jobs:
       - name: C++ build upload
         env:
           BUILD_NAME: ${{ matrix.ARCH }}-gcc${{ matrix.GCC_VER }}-${{ matrix.BUILD_MODE }}
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: source-build-${{ env.BUILD_NAME }}
           # We have already compressed the artifact, no need for github to try and
diff --git a/.github/workflows/source-build-gpu.yml b/.github/workflows/source-build-gpu.yml
index 05d4fd26a5..a34e32428e 100644
--- a/.github/workflows/source-build-gpu.yml
+++ b/.github/workflows/source-build-gpu.yml
@@ -199,7 +199,7 @@ jobs:
       - name: C++ build upload
         env:
           BUILD_NAME: ${{ matrix.ARCH }}-cuda12-gcc${{ matrix.GCC_VER }}-${{ matrix.BUILD_MODE }}
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: source-build-${{ env.BUILD_NAME }}
           # We have already compressed the artifact, no need for github to try and
diff --git a/.github/workflows/wheels-build.yml b/.github/workflows/wheels-build.yml
index 6177fda66a..72026b37a1 100644
--- a/.github/workflows/wheels-build.yml
+++ b/.github/workflows/wheels-build.yml
@@ -140,7 +140,7 @@ jobs:
       - name: C++ wheel upload
         env:
           BUILD_NAME: ${{ matrix.ARCH }}-${{ matrix.TARGET_DEV }}-cuda12-py${{ matrix.PY_VER }}
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: legate-wheel-${{ env.BUILD_NAME }}
           path: final-dist/*.whl
diff --git a/.github/workflows/wheels-mac.yml b/.github/workflows/wheels-mac.yml
index 95071fc726..63c900fe5e 100644
--- a/.github/workflows/wheels-mac.yml
+++ b/.github/workflows/wheels-mac.yml
@@ -115,7 +115,7 @@ jobs:
       - name: Wheel upload
         env:
           BUILD_NAME: mac-arm64-py${{ matrix.PY_VER }}
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: wheel-${{ env.BUILD_NAME }}
           path: wheelhouse/*.whl