diff --git a/src/packages/Toaster/index.tsx b/src/packages/Toaster/index.tsx
index 4ca8377..ef6eaa0 100644
--- a/src/packages/Toaster/index.tsx
+++ b/src/packages/Toaster/index.tsx
@@ -1,19 +1,29 @@
-import React, { useCallback, useContext, useEffect, useState } from 'react'
+import React, {
+  useCallback,
+  useContext,
+  useEffect,
+  useMemo,
+  useRef,
+  useState
+} from 'react'
 import { ThemeContext } from 'styled-components'
 
 import Alert, { AlertProps } from '../Alert'
 
-import * as S from './styles'
 import ProgressBar from '../ProgressBar'
 
+import * as S from './styles'
+
+const ONE_SECOND = 1000
+
 export type ToasterProps = {
-  duration?: number | null
+  duration?: number
   closable?: boolean
   initialVisible?: boolean
-} & Omit<AlertProps, 'header'> // Omit the 'header' prop from AlertProps
+} & Omit<AlertProps, 'header'>
 
 const Toaster = ({
-  duration,
+  duration = 5000,
   closable = true,
   initialVisible = true,
   severity = 'success',
@@ -21,18 +31,43 @@ const Toaster = ({
   ...props
 }: ToasterProps) => {
   const [isVisible, setIsVisible] = useState(initialVisible)
+  const [progress, setProgress] = useState(0)
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  const timer = useRef<any>()
+
+  // eslint-disable-next-line react-hooks/exhaustive-deps
+  const startTimer = () => {
+    timer.current = setInterval(() => {
+      setProgress(progress + ONE_SECOND / 1000)
+    }, ONE_SECOND)
+  }
+
+  const stopTimer = useCallback(() => {
+    if (timer.current) {
+      clearInterval(timer.current)
+      timer.current = null
+    }
+  }, [])
+
+  const percentage = useMemo(
+    () => (progress / (duration / ONE_SECOND)) * 100,
+    [progress, duration]
+  )
 
   useEffect(() => {
-    if (typeof duration === 'number') {
-      const timer = setTimeout(() => {
-        setIsVisible(false)
-      }, duration)
-
-      return () => {
-        clearTimeout(timer)
-      }
+    startTimer()
+    return () => {
+      clearTimeout(timer.current)
+      timer.current = null
     }
-  }, [duration])
+  }, [startTimer])
+
+  useEffect(() => {
+    if (percentage === 100) {
+      stopTimer()
+      setIsVisible(false)
+    }
+  }, [percentage, stopTimer])
 
   // eslint-disable-next-line @typescript-eslint/ban-ts-comment
   // @ts-ignore
@@ -54,8 +89,13 @@ const Toaster = ({
         closable={closable}
         severity={severity}
         onClose={() => handleClose()}
+        onMouseOver={() => stopTimer()}
+        onMouseOut={() => startTimer()}
+      />
+      <ProgressBar
+        value={100 - percentage}
+        color={theme.colors.base[severity]}
       />
-      <ProgressBar indeterminate={true} color={theme.colors.base[severity]} />
     </S.Toaster>
   )
 }
diff --git a/src/packages/Toaster/styles.ts b/src/packages/Toaster/styles.ts
index 9615ded..2ec597c 100644
--- a/src/packages/Toaster/styles.ts
+++ b/src/packages/Toaster/styles.ts
@@ -1,7 +1,15 @@
-import styled from 'styled-components'
+import styled, { css } from 'styled-components'
 
 export const Toaster = styled.div`
-  display: flex;
-  flex-direction: column;
-  width: 100%;
+  ${({ theme }) => css`
+    display: flex;
+    flex-direction: column;
+    width: 100%;
+    div[role='alert'] {
+      border-radius: ${theme.border.radius} ${theme.border.radius} 0 0;
+    }
+    div[role='progressbar'] {
+      border-radius: 0 0 ${theme.border.radius} ${theme.border.radius};
+    }
+  `}
 `