diff --git a/infrastructure/src/main/kotlin/com/dobby/persistence/entity/experiment/ExperimentPostEntity.kt b/infrastructure/src/main/kotlin/com/dobby/persistence/entity/experiment/ExperimentPostEntity.kt
index 7c7377fe..eba5786a 100644
--- a/infrastructure/src/main/kotlin/com/dobby/persistence/entity/experiment/ExperimentPostEntity.kt
+++ b/infrastructure/src/main/kotlin/com/dobby/persistence/entity/experiment/ExperimentPostEntity.kt
@@ -41,7 +41,7 @@ class ExperimentPostEntity(
     @Column(name = "views")
     var views: Int,
 
-    @Column(name = "title", nullable = false, length = 70)
+    @Column(name = "title", nullable = false, length = 150)
     var title: String,
 
     @Column(name = "content", nullable = false, length = 5000)
diff --git a/infrastructure/src/main/resources/db/migration/V202508031601__extend_title_length_in_experiment_post.sql b/infrastructure/src/main/resources/db/migration/V202508031601__extend_title_length_in_experiment_post.sql
new file mode 100644
index 00000000..e276aca1
--- /dev/null
+++ b/infrastructure/src/main/resources/db/migration/V202508031601__extend_title_length_in_experiment_post.sql
@@ -0,0 +1 @@
+ALTER TABLE experiment_post MODIFY COLUMN title VARCHAR(150) NOT NULL;