diff --git a/src/pip_deepfreeze/env-info-json.py b/src/pip_deepfreeze/env-info-json.py
index f0ec6a1..2f9f69e 100755
--- a/src/pip_deepfreeze/env-info-json.py
+++ b/src/pip_deepfreeze/env-info-json.py
@@ -17,6 +17,7 @@
 import json
 import os
 import sys
+import warnings
 
 try:
     from typing import Dict, Optional, Union
@@ -25,7 +26,9 @@
 
 
 try:
+    warnings.filterwarnings(action="ignore", category=DeprecationWarning)
     import pkg_resources  # noqa
+    warnings.resetwarnings()
 except ImportError:
     pkg_resources = None