diff --git a/src/hooks/useInterval.ts b/src/hooks/useInterval.ts
index 9c45c91..fbc4231 100644
--- a/src/hooks/useInterval.ts
+++ b/src/hooks/useInterval.ts
@@ -3,6 +3,7 @@ import { GetterTree } from 'vuex'
 import { State, RootActions } from '@/store'
 
 const MIN_INTERVAL = 0.5
+const MAX_INTERVAL = 60
 
 export const useInterval = () => {
   const { interval } = useGetters<GetterTree<State, State>>(['interval'])
@@ -15,7 +16,7 @@ export const useInterval = () => {
   }
 
   const plus = () => {
-    setInterval(Math.floor(interval.value + 1))
+    setInterval(Math.min(Math.floor(interval.value + 1), MAX_INTERVAL))
   }
 
   return {