diff --git a/checker.py b/checker.py
index a800d49..691ce82 100644
--- a/checker.py
+++ b/checker.py
@@ -3,6 +3,9 @@
 # pylance: disable=reportMissingImports, reportMissingModuleSource, reportGeneralTypeIssues
 # type: ignore
 
+import warnings
+warnings.filterwarnings("ignore", category=Warning)
+
 import re
 from datetime import datetime, timedelta, timezone
 import subprocess
@@ -14,12 +17,23 @@ import pkg_resources
 import requests
 import json
 from collections import deque
-required_packages = ['grist-api', 'colorama']
-installed_packages = [pkg.key for pkg in pkg_resources.working_set]
 
-for package in required_packages:
-    if package not in installed_packages:
-        subprocess.check_call([sys.executable, '-m', 'pip', 'install', package, '--break-system-packages'])
+required_packages = {
+    'grist-api': 'latest',
+    'colorama': 'latest',
+    'requests': '2.31.0',
+    'urllib3': '2.0.7',
+    'charset-normalizer': '3.3.2'
+}
+
+installed_packages = {pkg.key: pkg.version for pkg in pkg_resources.working_set}
+
+for package, version in required_packages.items():
+    if package not in installed_packages or (version != 'latest' and installed_packages[package] != version):
+        if version == 'latest':
+            subprocess.check_call([sys.executable, '-m', 'pip', 'install', package, '--break-system-packages'])
+        else:
+            subprocess.check_call([sys.executable, '-m', 'pip', 'install', f"{package}=={version}", '--break-system-packages'])
 
 from grist_api import GristDocAPI
 import colorama