diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..e635147
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,14 @@
+# See https://editorconfig.org/ for details on how to configure your editor to respect these settings.
+
+# This is the terminal .editorconfig in this repository.
+root = true
+
+# all files
+[*]
+indent_style = space
+trim_trailing_whitespace = true
+insert_final_newline = true
+end_of_line = lf
+
+[*.{yaml,yml}]
+indent_size = 2
diff --git a/.github/workflows/publish-gh-pages.yml b/.github/workflows/publish-gh-pages.yml
index c0d1614..8514c23 100644
--- a/.github/workflows/publish-gh-pages.yml
+++ b/.github/workflows/publish-gh-pages.yml
@@ -20,6 +20,10 @@ jobs:
           sudo mv linux-amd64/helm /usr/local/bin/helm
           rm -rf linux-amd64 helm.tar.gz
 
+      - name: Lint chart
+        run: |
+          helm lint .
+
       - name: Package chart
         run: |
           rm -rf dist
diff --git a/.helmignore b/.helmignore
index a256151..a9ec6d0 100644
--- a/.helmignore
+++ b/.helmignore
@@ -23,3 +23,8 @@
 .vscode/
 # CHANGELOG
 CHANGELOG.md
+# GitHub Actions
+.github/
+# configuration and build files
+.editorconfig
+Makefile
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a480e90..4ca66f1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.2.1] - 2025-12-07
+
+### Fixed
+- Eliminate tabs in Chart.yaml to fix yaml errors
+
 ## [0.2.0] - 2025-11-23
 
 ### Changed
diff --git a/Chart.yaml b/Chart.yaml
index 99e1d0c..1e9b0a4 100644
--- a/Chart.yaml
+++ b/Chart.yaml
@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.2.0
+version: 0.2.1
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
@@ -24,16 +24,16 @@ version: 0.2.0
 appVersion: "0.25.2"
 home: https://github.com/usememos/helm
 sources:
-	- https://github.com/usememos/memos
-	- https://github.com/usememos/helm
+  - https://github.com/usememos/memos
+  - https://github.com/usememos/helm
 keywords:
-	- memos
-	- notes
-	- helm
+  - memos
+  - notes
+  - helm
 maintainers:
-	- name: usememos
-		email: usememos@gmail.com
+  - name: usememos
+    email: usememos@gmail.com
 icon: https://raw.githubusercontent.com/usememos/dotcom/main/public/logo.png
 annotations:
-	artifacthub.io/changes: https://github.com/usememos/helm/blob/main/CHANGELOG.md
-	artifacthub.io/categories: "Productivity"
+  artifacthub.io/changes: https://github.com/usememos/helm/blob/main/CHANGELOG.md
+  artifacthub.io/categories: "Productivity"