diff --git a/update-pr-stack.sh b/update-pr-stack.sh
index eb7487b..38ca10a 100755
--- a/update-pr-stack.sh
+++ b/update-pr-stack.sh
@@ -189,7 +189,7 @@ has_sibling_conflicts() {
 
     # Find all open PRs with the conflict label that are based on BASE_BRANCH
     local CONFLICTED_SIBLINGS
-    CONFLICTED_SIBLINGS=$(gh pr list --base "$BASE_BRANCH" --label "$CONFLICT_LABEL" --json headRefName --jq '.[].headRefName' 2>/dev/null || echo "")
+    CONFLICTED_SIBLINGS=$(gh pr list --limit 100 --base "$BASE_BRANCH" --label "$CONFLICT_LABEL" --json headRefName --jq '.[].headRefName' 2>/dev/null || echo "")
 
     for SIBLING in $CONFLICTED_SIBLINGS; do
         if [[ "$SIBLING" != "$EXCLUDE_BRANCH" ]]; then
@@ -308,7 +308,7 @@ main() {
         [[ -n "$BRANCH" ]] || continue
         INITIAL_NUMBERS+=("$NUMBER")
         INITIAL_TARGETS+=("$BRANCH")
-    done < <(log_cmd gh pr list --base "$MERGED_BRANCH" --json number,headRefName --jq '.[] | "\(.number) \(.headRefName)"')
+    done < <(log_cmd gh pr list --limit 100 --base "$MERGED_BRANCH" --json number,headRefName --jq '.[] | "\(.number) \(.headRefName)"')
 
     # Track successfully updated vs conflicted branches separately
     UPDATED_TARGETS=()