diff --git a/habits.db b/habits.db
index 0e4c2f4..182af38 100644
Binary files a/habits.db and b/habits.db differ
diff --git a/src/App.tsx b/src/App.tsx
index cd59938..5d0d5ec 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -151,6 +151,21 @@ export default function HabitTracker() {
     return streak;
   };
 
+  const handleUpdateStreak = async (id: number, newStreak: number) => {
+    // Prevent negative streaks
+    if (newStreak < 0) return;
+
+    // Update in database
+    await db.habits.update(id, { manualStreak: newStreak });
+
+    // Update state
+    setHabits(habits.map(habit =>
+      habit.id === id
+        ? { ...habit, manualStreak: newStreak }
+        : habit
+    ));
+  };
+
   return (
     <div className="min-h-screen bg-white dark:bg-black">
       <div className="flex h-screen">
@@ -246,7 +261,7 @@ export default function HabitTracker() {
                   onToggleHabit={toggleHabit}
                   onUpdateHabit={updateHabit}
                   onDeleteHabit={deleteHabit}
-                  getStreakForHabit={getStreakForHabit}
+                  onUpdateStreak={handleUpdateStreak}
                 />
               </div>
             </div>
diff --git a/src/components/HabitList.tsx b/src/components/HabitList.tsx
index c84fbd6..d6a19e2 100644
--- a/src/components/HabitList.tsx
+++ b/src/components/HabitList.tsx
@@ -1,5 +1,5 @@
 import React from 'react';
-import { Trash2 } from 'lucide-react';
+import { Trash2, ChevronUp, ChevronDown } from 'lucide-react';
 import { Habit } from '../types';
 
 interface HabitListProps {
@@ -9,7 +9,7 @@ interface HabitListProps {
   onToggleHabit: (id: number, date: string) => void;
   onUpdateHabit: (id: number, name: string) => void;
   onDeleteHabit: (id: number) => void;
-  getStreakForHabit: (habit: Habit) => number;
+  onUpdateStreak: (id: number, streak: number) => void;
 }
 
 export function HabitList({
@@ -19,7 +19,7 @@ export function HabitList({
   onToggleHabit,
   onUpdateHabit,
   onDeleteHabit,
-  getStreakForHabit
+  onUpdateStreak
 }: HabitListProps) {
   return (
     <table className="w-full">
@@ -34,7 +34,7 @@ export function HabitList({
               </div>
             </th>
           ))}
-          <th className="px-4 py-2 text-center dark:text-white">Streak</th>
+          <th className="px-4 py-2 text-center dark:text-white">Manual Streak</th>
           <th className="px-4 py-2 text-center dark:text-white">Actions</th>
         </tr>
       </thead>
@@ -59,8 +59,24 @@ export function HabitList({
                 />
               </td>
             ))}
-            <td className="px-4 py-2 text-center dark:text-white">
-              {getStreakForHabit(habit)}
+            <td className="px-4 py-2 text-center">
+              <div className="flex items-center justify-center space-x-2">
+                <button
+                  onClick={() => onUpdateStreak(habit.id, (habit.manualStreak || 0) - 1)}
+                  className="p-1 hover:bg-gray-100 dark:hover:bg-gray-800 rounded-full"
+                >
+                  <ChevronDown className="h-4 w-4 dark:text-white" />
+                </button>
+                <span className="dark:text-white min-w-[2rem]">
+                  {habit.manualStreak || 0}
+                </span>
+                <button
+                  onClick={() => onUpdateStreak(habit.id, (habit.manualStreak || 0) + 1)}
+                  className="p-1 hover:bg-gray-100 dark:hover:bg-gray-800 rounded-full"
+                >
+                  <ChevronUp className="h-4 w-4 dark:text-white" />
+                </button>
+              </div>
             </td>
             <td className="px-4 py-2 text-center">
               <button
diff --git a/src/types.ts b/src/types.ts
index 4c7b8af..437ef5b 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -2,4 +2,5 @@ export interface Habit {
   id: number;
   name: string;
   completedDates: string[];
+  manualStreak: number;
 }
\ No newline at end of file