diff --git a/oslo_utils/netutils.py b/oslo_utils/netutils.py
index ecbe7796..017a416a 100644
--- a/oslo_utils/netutils.py
+++ b/oslo_utils/netutils.py
@@ -24,6 +24,7 @@ import socket
 from urllib import parse
 
 import netaddr
+from netaddr.core import INET_ATON
 from netaddr.core import INET_PTON
 import netifaces
 
@@ -100,7 +101,7 @@ def is_valid_ipv4(address, strict=None):
        (``a.b.c.d``, ``a.b.c``, ``a.b``, ``a``).
     """
     if strict is not None:
-        flag = INET_PTON if strict else 0
+        flag = INET_PTON if strict else INET_ATON
         try:
             return netaddr.valid_ipv4(address, flags=flag)
         except netaddr.AddrFormatError:
@@ -111,7 +112,7 @@ def is_valid_ipv4(address, strict=None):
         if netaddr.valid_ipv4(address, flags=INET_PTON):
             return True
         else:
-            if netaddr.valid_ipv4(address):
+            if netaddr.valid_ipv4(address, flags=INET_ATON):
                 LOG.warning(
                     'Converting in non strict mode is deprecated. '
                     'You should pass strict=False if you want to '
diff --git a/requirements.txt b/requirements.txt
index be2c3666..07fe8673 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@
 iso8601>=0.1.11 # MIT
 oslo.i18n>=3.15.3 # Apache-2.0
 pytz>=2013.6;python_version<"3.9" # MIT
-netaddr>=0.7.18 # BSD
+netaddr>=0.10.0 # BSD
 netifaces>=0.10.4 # MIT
 debtcollector>=1.2.0 # Apache-2.0
 pyparsing>=2.1.0 # MIT