diff --git a/README.md b/README.md
index 4ee2a989..1978e211 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ The extra fast DI (Dependency Injection) library running on Unity Game Engine.
 1. Navigate to your project's Packages folder and open the manifest.json file.
 2. Add this line below the "dependencies": { line
     - ```json title="Packages/manifest.json"
-      "jp.hadashikick.vcontainer": "https://github.com/hadashiA/VContainer.git?path=VContainer/Assets/VContainer#1.5.4",
+      "jp.hadashikick.vcontainer": "https://github.com/hadashiA/VContainer.git?path=VContainer/Assets/VContainer#1.5.5",
       ```
 3. UPM should now install the package.
 
diff --git a/VContainer/Assets/VContainer/package.json b/VContainer/Assets/VContainer/package.json
index e085e047..06611459 100644
--- a/VContainer/Assets/VContainer/package.json
+++ b/VContainer/Assets/VContainer/package.json
@@ -1,7 +1,7 @@
 {
   "name": "jp.hadashikick.vcontainer",
   "displayName": "VContainer",
-  "version": "1.5.4",
+  "version": "1.5.5",
   "unity": "2018.4",
   "description": "The extra fast DI (Dependency Injection) for Unity",
   "keywords": ["DI", "Dependency Injection", "DI Container"],
diff --git a/website/docs/getting-started/installation.mdx b/website/docs/getting-started/installation.mdx
index 8f91a19b..7f71f45d 100644
--- a/website/docs/getting-started/installation.mdx
+++ b/website/docs/getting-started/installation.mdx
@@ -9,7 +9,7 @@ title: Installation
 1. Navigate to your project's Packages folder and open the manifest.json file.
 2. Add this line below the "dependencies": { line
     - ```json title="Packages/manifest.json"
-      "jp.hadashikick.vcontainer": "https://github.com/hadashiA/VContainer.git?path=VContainer/Assets/VContainer#1.5.4",
+      "jp.hadashikick.vcontainer": "https://github.com/hadashiA/VContainer.git?path=VContainer/Assets/VContainer#1.5.5",
       ```
 3. UPM should now install the package.
 
diff --git a/website/docusaurus.config.js b/website/docusaurus.config.js
index 2e696b14..c4ca0ae5 100644
--- a/website/docusaurus.config.js
+++ b/website/docusaurus.config.js
@@ -64,7 +64,7 @@ module.exports = {
         },
         {
           href: 'https://github.com/hadashiA/VContainer/releases',
-          label: 'v1.5.4',
+          label: 'v1.5.5',
           position: 'right',
         },
         {