diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 6f6caf0..2739ea5 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -106,7 +106,7 @@ jobs:
           sccache: ${{ github.ref_type != 'tag' }} # zizmor: ignore[cache-poisoning]
           manylinux: auto
       - name: Upload wheels
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: dist-${{ github.job }}-${{ matrix.target }}
           path: dist
@@ -148,7 +148,7 @@ jobs:
           manylinux: musllinux_1_2
           sccache: ${{ github.ref_type != 'tag' }} # zizmor: ignore[cache-poisoning]
       - name: Upload wheels
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: dist-${{ github.job }}-${{ matrix.target }}
           path: dist
@@ -185,7 +185,7 @@ jobs:
           args: --release --out dist --interpreter '3.10 3.11 3.12 3.13 3.14' --interpreter ${{ matrix.target == 'x64' && 'pypy3.10' || '' }}
           sccache: ${{ github.ref_type != 'tag' }} # zizmor: ignore[cache-poisoning]
       - name: Upload wheels
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: dist-${{ github.job }}-${{ matrix.target }}
           path: dist
@@ -243,7 +243,7 @@ jobs:
           args: --release --out dist --interpreter ${{ steps.cp311.outputs.python-path }} ${{ steps.cp312.outputs.python-path }} ${{ steps.cp313.outputs.python-path }} ${{ steps.cp314.outputs.python-path }}
           sccache: ${{ github.ref_type != 'tag' }} # zizmor: ignore[cache-poisoning]
       - name: Upload wheels
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: dist-${{ github.job }}-${{ matrix.target }}
           path: dist
@@ -277,7 +277,7 @@ jobs:
           args: --release --out dist --interpreter '3.13t 3.14t'
           sccache: ${{ github.ref_type != 'tag' }} # zizmor: ignore[cache-poisoning]
       - name: Upload wheels
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: dist-${{ github.job }}-${{ matrix.target }}-free-threaded
           path: dist
@@ -315,7 +315,7 @@ jobs:
           args: --release --out dist --interpreter '3.10 3.11 3.12 3.13 3.13t 3.14 3.14t pypy3.10 pypy3.11'
           sccache: ${{ github.ref_type != 'tag' }} # zizmor: ignore[cache-poisoning]
       - name: Upload wheels
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: dist-${{ github.job }}-${{ matrix.target }}
           path: dist
@@ -336,7 +336,7 @@ jobs:
           command: sdist
           args: --out dist
       - name: Upload sdist
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: dist-${{ github.job }}
           path: dist