diff --git a/src/api/controller/blog/commentBlog.ts b/src/api/controller/blog/commentBlog.ts
index f1afa02..82a7a89 100644
--- a/src/api/controller/blog/commentBlog.ts
+++ b/src/api/controller/blog/commentBlog.ts
@@ -4,6 +4,7 @@ import { BadRequestException } from "@constants/exceptions";
 import { rateLimit } from "elysia-rate-limit";
 import { createElysia } from "@libs/elysia";
 import blogModel from "@models/blog.model";
+import { redis } from "@libs/redisClient";
 
 export default createElysia()
   .use(blogModel)
@@ -26,6 +27,8 @@ export default createElysia()
         throw new BadRequestException("Blog not found.");
       }
 
+      await redis.del(`blog.${blog.slug}`);
+
       return {
         status: 200,
         data: await prismaClient.blogComment.create({
diff --git a/src/api/controller/blog/reactionBlog.ts b/src/api/controller/blog/reactionBlog.ts
index a13f36d..70e1bc2 100644
--- a/src/api/controller/blog/reactionBlog.ts
+++ b/src/api/controller/blog/reactionBlog.ts
@@ -3,6 +3,7 @@ import { prismaClient } from "@libs/prismaDatabase";
 import { BadRequestException } from "@constants/exceptions";
 import { createElysia } from "@libs/elysia";
 import blogModel from "@models/blog.model";
+import { redis } from "@libs/redisClient";
 
 export default createElysia()
   .use(blogModel)
@@ -20,6 +21,8 @@ export default createElysia()
         throw new BadRequestException("Blog not found.");
       }
 
+      await redis.del(`blog.${blog.slug}`);
+
       const existingReaction = await prismaClient.blogReaction.findFirst({
         where: {
           blogId: blog.id,