diff --git a/pylsp/__main__.py b/pylsp/__main__.py
index d6691740..0142dfb3 100644
--- a/pylsp/__main__.py
+++ b/pylsp/__main__.py
@@ -2,16 +2,12 @@
 # Copyright 2021- Python Language Server Contributors.
 
 import argparse
+import json
 import logging
 import logging.config
 import sys
 import time
 
-try:
-    import ujson as json
-except Exception:  # pylint: disable=broad-except
-    import json
-
 from .python_lsp import (
     PythonLSPServer,
     start_io_lang_server,
diff --git a/pylsp/plugins/pylint_lint.py b/pylsp/plugins/pylint_lint.py
index 4dbb137d..500fa54a 100644
--- a/pylsp/plugins/pylint_lint.py
+++ b/pylsp/plugins/pylint_lint.py
@@ -4,6 +4,7 @@
 
 """Linter plugin for pylint."""
 import collections
+import json
 import logging
 import sys
 import re
@@ -13,10 +14,6 @@
 
 from pylsp import hookimpl, lsp
 
-try:
-    import ujson as json
-except Exception:  # pylint: disable=broad-except
-    import json
 
 log = logging.getLogger(__name__)
 
diff --git a/pylsp/python_lsp.py b/pylsp/python_lsp.py
index a31e7612..cb92f398 100644
--- a/pylsp/python_lsp.py
+++ b/pylsp/python_lsp.py
@@ -2,13 +2,13 @@
 # Copyright 2021- Python Language Server Contributors.
 
 from functools import partial
+import json
 import logging
 import os
 import socketserver
 import threading
 import uuid
 from typing import List, Dict, Any
-import ujson as json
 
 from pylsp_jsonrpc.dispatchers import MethodDispatcher
 from pylsp_jsonrpc.endpoint import Endpoint
diff --git a/pyproject.toml b/pyproject.toml
index be764e4b..a7bb69f6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,7 +18,6 @@ dependencies = [
     "jedi>=0.17.2,<0.20.0",
     "pluggy>=1.0.0",
     "python-lsp-jsonrpc>=1.1.0,<2.0.0",
-    "ujson>=3.0.0",
 ]
 dynamic = ["version"]