diff --git a/AUTHORS.txt b/AUTHORS.txt
index 843ddf9..0f745da 100644
--- a/AUTHORS.txt
+++ b/AUTHORS.txt
@@ -54,5 +54,6 @@ Mingliang (@Aulddays)
 Brian Mego (@brianmego)
 Stevan Milic (@stevanmilic) <stevan.milic@yahoo.com>
 Konstantin Glukhov (@Konstantin-Glukhov)
+Seungchan An (@SeungChan92) <dev.issea1015@gmail.com>
 
 @something are github user names.
diff --git a/autoload/jedi.vim b/autoload/jedi.vim
index b1d9f43..51dcf64 100644
--- a/autoload/jedi.vim
+++ b/autoload/jedi.vim
@@ -36,6 +36,7 @@ let s:default_settings = {
     \ 'quickfix_window_height': 10,
     \ 'force_py_version': "'auto'",
     \ 'environment_path': "'auto'",
+    \ 'added_sys_path': "'[]'",
     \ 'project_path': "'auto'",
     \ 'smart_auto_mappings': 0,
     \ 'use_tag_stack': 1
diff --git a/doc/jedi-vim.txt b/doc/jedi-vim.txt
index 2a53532..79d27a3 100644
--- a/doc/jedi-vim.txt
+++ b/doc/jedi-vim.txt
@@ -518,6 +518,14 @@ Both setting the directory and setting a project is working.
 Examples: "/usr/bin/python3.9", "venv", "../venv", "../venv/bin/python"
 Default: "auto"
 
+------------------------------------------------------------------------------
+6.15. `g:jedi#added_sys_path`                *g:jedi#added_sys_path*
+
+To add extra sys_path.
+
+Examples: ["../site-packages"]
+Default: []
+
 ==============================================================================
 7. Testing                              *jedi-vim-testing*
 
diff --git a/pythonx/jedi_vim.py b/pythonx/jedi_vim.py
index ad9fa94..f0ca158 100644
--- a/pythonx/jedi_vim.py
+++ b/pythonx/jedi_vim.py
@@ -220,6 +220,7 @@ _current_project_cache = None, None
 def get_project():
     vim_environment_path = vim_eval("g:jedi#environment_path")
     vim_project_path = vim_eval("g:jedi#project_path")
+    vim_added_sys_path = vim_eval("g:jedi#added_sys_path")
 
     global _current_project_cache
     cache_key = dict(project_path=vim_project_path, environment_path=vim_environment_path)
@@ -236,7 +237,9 @@ def get_project():
     else:
         project_path = vim_project_path
 
-    project = jedi.Project(project_path, environment_path=environment_path)
+    project = jedi.Project(project_path,
+                           environment_path=environment_path,
+                           added_sys_path=vim_added_sys_path)
 
     _current_project_cache = cache_key, project
     return project