The Labour Party has said that the Lisbon Treaty poses no threat to Ireland's neutrality and is a major concern for a large number of voters.
According to a Red C Poll in today's Sunday Business Post support for a 'No' vote in Thursday's referendum has risen by six percentage points to 39%.
However, the 'Yes' side is still ahead at 42%.
Labour's Spokesperson on European Affairs, Joe Costello, said the party will be launching a paper in Dublin today to allay the fears of voters.
"We want to relieve those worries that Ireland's neutrality will not be endangered. We can continue to proceed with our proud tradition of missions, peacekeeping and conflict resolution abroad. And that we will do it under the United Nations mandate," Deputy Costello said.