diff --git a/backend/Cargo.lock b/backend/Cargo.lock
index 035c424..fc70e43 100644
--- a/backend/Cargo.lock
+++ b/backend/Cargo.lock
@@ -420,7 +420,7 @@ dependencies = [
 
 [[package]]
 name = "auth"
-version = "0.2.0"
+version = "0.3.1"
 dependencies = [
  "actix-session",
  "actix-web",
@@ -621,7 +621,7 @@ dependencies = [
 
 [[package]]
 name = "common"
-version = "0.2.0"
+version = "0.3.1"
 dependencies = [
  "sqlx",
 ]
@@ -1743,7 +1743,7 @@ dependencies = [
 
 [[package]]
 name = "image"
-version = "0.2.0"
+version = "0.3.1"
 dependencies = [
  "actix-multipart",
  "actix-web",
@@ -2399,7 +2399,7 @@ dependencies = [
 
 [[package]]
 name = "post"
-version = "0.2.0"
+version = "0.3.1"
 dependencies = [
  "actix-web",
  "anyhow",
@@ -3169,7 +3169,7 @@ dependencies = [
 
 [[package]]
 name = "server"
-version = "0.2.0"
+version = "0.3.1"
 dependencies = [
  "actix-session",
  "actix-web",
diff --git a/backend/Cargo.toml b/backend/Cargo.toml
index 8940323..3b56e47 100644
--- a/backend/Cargo.toml
+++ b/backend/Cargo.toml
@@ -10,7 +10,7 @@ members = [
 resolver = "2"
 
 [workspace.package]
-version = "0.2.0"
+version = "0.3.1"
 edition = "2024"
 
 [profile.release]
diff --git a/backend/feature/post/src/application/use_case/get_all_post_info_use_case.rs b/backend/feature/post/src/application/use_case/get_all_post_info_use_case.rs
index 3a7eefa..580dc4d 100644
--- a/backend/feature/post/src/application/use_case/get_all_post_info_use_case.rs
+++ b/backend/feature/post/src/application/use_case/get_all_post_info_use_case.rs
@@ -33,7 +33,15 @@ impl GetAllPostInfoUseCase for GetAllPostInfoUseCaseImpl {
         is_published_only: bool,
         user_id: Option<i32>,
     ) -> Result<Vec<PostInfo>, PostError> {
-        let is_published_only = is_published_only && user_id.is_some();
+        let has_logged_in = user_id.is_some();
+
+        // | is_published_only | has_logged_in | result |
+        // | ----------------- | ------------- | ------ |
+        // | T                 | T             | T      |
+        // | T                 | F             | T      |
+        // | F                 | T             | F      |
+        // | F                 | F             | T      |
+        let is_published_only = is_published_only || !has_logged_in;
 
         self.post_repository
             .get_all_post_info(is_published_only)
diff --git a/frontend/package.json b/frontend/package.json
index f8e895b..d82afd3 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "squidspirit-blog",
 	"private": true,
-	"version": "0.2.2",
+	"version": "0.3.0",
 	"type": "module",
 	"scripts": {
 		"dev": "vite dev",