diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 16b499683fc3..a1003ac84afd 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -78,17 +78,17 @@ jobs:
           # Re-declare each package on the same package-specific branch used by
           # wheel publication. This preserves publication metadata already
           # waiting for review while keeping unrelated packages isolated.
+          #
+          # An existing branch is built on as it is, never rebased: a force push
+          # re-triggers every workflow on its PR, even when they were passing
+          # and nothing conflicted. Conflicts with main are left to be fixed
+          # manually.
           open_pr() {
             local package="$1" slug="$2" title="$3"
-            local branch="package/$slug" pr pr_title="$slug: update packages" remote_sha=""
+            local branch="package/$slug" pr pr_title="$slug: update packages"
 
             if git fetch --quiet origin "$branch" 2>/dev/null; then
-              remote_sha=$(git rev-parse FETCH_HEAD) || return 1
-              git switch --force-create "$branch" "$remote_sha" || return 1
-              if ! git rebase "$base"; then
-                git rebase --abort || true
-                return 1
-              fi
+              git switch --force-create "$branch" FETCH_HEAD || return 1
             else
               git switch --force-create "$branch" "$base" || return 1
             fi
@@ -97,9 +97,6 @@ jobs:
               ci_scripts/check_versions.py --declare "$package" || return 1
 
             if git diff --quiet -- docs/packages ci_scripts/packages.txt ci_scripts/deprecated.txt; then
-              if [ -n "$remote_sha" ] && [ "$(git rev-parse HEAD)" != "$remote_sha" ]; then
-                git push --force-with-lease="$branch:$remote_sha" origin "$branch" || return 1
-              fi
               echo "$package: nothing to declare"
               return 0
             fi
@@ -107,11 +104,7 @@ jobs:
             git add docs/packages ci_scripts/packages.txt ci_scripts/deprecated.txt || return 1
             git commit -s -m "$title" || return 1
 
-            if [ -n "$remote_sha" ]; then
-              git push --force-with-lease="$branch:$remote_sha" origin "$branch" || return 1
-            else
-              git push origin "$branch" || return 1
-            fi
+            git push origin "$branch" || return 1
 
             pr=$(gh pr list --repo "$GITHUB_REPOSITORY" --head "$branch" --state open --json url --jq '.[0].url') || return 1
             if [ -n "$pr" ]; then