diff --git a/.bumpversion.cfg b/.bumpversion.cfg
new file mode 100644
index 0000000..dadd520
--- /dev/null
+++ b/.bumpversion.cfg
@@ -0,0 +1,12 @@
+[bumpversion]
+current_version = 1.0.0
+commit = True
+tag = True
+parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)
+serialize = {major}.{minor}.{patch}
+
+[bumpversion:file:__init__.py]
+
+[bumpversion:file:CHANGELOG.md]
+search = Unreleased
+replace = {new_version} - {now:%Y-%m-%d}
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..507ed35
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,13 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## Unreleased
+
+### Added
+- Initial release of ComfyUI-Web-Viewer
+- Web Viewer node with customizable URL input
+- Configurable window size for the Web Viewer
\ No newline at end of file
diff --git a/__init__.py b/__init__.py
index e65f79d..cea4361 100644
--- a/__init__.py
+++ b/__init__.py
@@ -2,6 +2,8 @@ from .nodes.web_viewer_node import WebViewerNode
 from .nodes.image_saver_node import ImageSaverNode
 from .nodes.audio_genres_node import AudioGenresNode
 
+__version__ = "1.0.0"
+
 NODE_CLASS_MAPPINGS = {
     "WebViewerNode": WebViewerNode,
     "ImageSaverNode": ImageSaverNode,
@@ -18,3 +20,4 @@ NODE_DISPLAY_NAME_MAPPINGS = {
 WEB_DIRECTORY = "./web/comfyui"
 
 __all__ = ["NODE_CLASS_MAPPINGS", "NODE_DISPLAY_NAME_MAPPINGS", "WEB_DIRECTORY"]
+
diff --git a/update_version.py b/update_version.py
new file mode 100644
index 0000000..c2bd2dd
--- /dev/null
+++ b/update_version.py
@@ -0,0 +1,24 @@
+import subprocess
+import sys
+
+def update_version(version_part):
+    try:
+        subprocess.run(['bump2version', version_part], check=True)
+        print(f"Version updated successfully. New version: {get_current_version()}")
+    except subprocess.CalledProcessError as e:
+        print(f"Error updating version: {e}")
+        sys.exit(1)
+
+def get_current_version():
+    with open('__init__.py', 'r') as f:
+        for line in f:
+            if line.startswith('__version__'):
+                return line.split('=')[1].strip().strip('"')
+    return "Unknown"
+
+if __name__ == "__main__":
+    if len(sys.argv) != 2 or sys.argv[1] not in ['major', 'minor', 'patch']:
+        print("Usage: python update_version.py [major|minor|patch]")
+        sys.exit(1)
+    
+    update_version(sys.argv[1])
\ No newline at end of file