diff --git a/.github/workflows/haskell-ci-hackage.patch b/.github/workflows/haskell-ci-hackage.patch
index 898f5c34f..69c64a12c 100644
--- a/.github/workflows/haskell-ci-hackage.patch
+++ b/.github/workflows/haskell-ci-hackage.patch
@@ -56,19 +56,24 @@ set in GitHub repository secrets.
        - name: unconstrained build
          run: |
            rm -f cabal.project.local
-@@ -267,3 +279,75 @@
+@@ -267,3 +279,80 @@
          with:
            key: ${{ runner.os }}-${{ matrix.compiler }}-${{ github.sha }}
            path: ~/.cabal/store
-+      - name: upload artifacts (sdist)
++      # must be separate artifacts because GitHub Actions are still broken:
++      # https://github.com/actions/upload-artifact/issues/441
++      # https://github.com/actions/upload-artifact/issues/457
++      - name: upload artifact (sdist)
 +        if: matrix.upload
-+        uses: actions/upload-artifact@v3
++        uses: actions/upload-artifact@v4
 +        with:
++          name: sdist
 +          path: ${{ github.workspace }}/sdist/*.tar.gz
-+      - name: upload artifacts (haddock)
++      - name: upload artifact (haddock)
 +        if: matrix.upload
-+        uses: actions/upload-artifact@v3
++        uses: actions/upload-artifact@v4
 +        with:
++          name: haddock
 +          path: ${{ github.workspace }}/haddock/*-docs.tar.gz
 +      - name: hackage upload (candidate)
 +        if: matrix.upload && github.event_name == 'workflow_dispatch' && github.event.inputs.version != ''
diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
index e13f3e623..5e3fd2cde 100644
--- a/.github/workflows/haskell-ci.yml
+++ b/.github/workflows/haskell-ci.yml
@@ -253,15 +253,20 @@ jobs:
         with:
           key: ${{ runner.os }}-${{ matrix.compiler }}-${{ github.sha }}
           path: ~/.cabal/store
-      - name: upload artifacts (sdist)
+      # must be separate artifacts because GitHub Actions are still broken:
+      # https://github.com/actions/upload-artifact/issues/441
+      # https://github.com/actions/upload-artifact/issues/457
+      - name: upload artifact (sdist)
         if: matrix.upload
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
+          name: sdist
           path: ${{ github.workspace }}/sdist/*.tar.gz
-      - name: upload artifacts (haddock)
+      - name: upload artifact (haddock)
         if: matrix.upload
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
+          name: haddock
           path: ${{ github.workspace }}/haddock/*-docs.tar.gz
       - name: hackage upload (candidate)
         if: matrix.upload && github.event_name == 'workflow_dispatch' && github.event.inputs.version != ''