diff --git a/docs/conf.py b/docs/conf.py
index 80575b5..73337d7 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -9,7 +9,7 @@
 project = 'cvpl_tools'
 copyright = '2024, KarlHanUW'
 author = 'KarlHanUW'
-release = '0.3.2'
+release = '0.4.0'
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration
@@ -28,3 +28,7 @@
 
 html_theme = "sphinx_rtd_theme"
 html_static_path = ['_static']
+
+
+import sys
+sys.path.insert(0, '../..')
diff --git a/docs/requirements.txt b/docs/requirements.txt
index ac2de84..2c7d7e8 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,3 @@
-cvpl_tools
 sphinx-rtd-theme==2.0.0
 myst-parser==3.0.1
 furo
\ No newline at end of file