diff --git a/README.md b/README.md
index 6db3598..0859db0 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ It is now maintained by Mircea Ulinic [@mirceaulinic](https://github.com/mirceau
 Requirements
 =============
 
-* netmiko >= 0.5.2
+* netmiko >= 4.0.0
 * lxml >= 3.4.2
 
 * IOS-XR >= 5.1.0
diff --git a/pyIOSXR/iosxr.py b/pyIOSXR/iosxr.py
index 5cb3467..f1fdeb5 100644
--- a/pyIOSXR/iosxr.py
+++ b/pyIOSXR/iosxr.py
@@ -26,8 +26,8 @@
 # third party lib
 from lxml import etree as ET
 from netmiko import ConnectHandler
-from netmiko.ssh_exception import NetMikoTimeoutException
-from netmiko.ssh_exception import NetMikoAuthenticationException
+from netmiko.exceptions import NetMikoTimeoutException
+from netmiko.exceptions import NetMikoAuthenticationException
 
 # local modules
 from pyIOSXR.exceptions import LockError
diff --git a/requirements.txt b/requirements.txt
index 1406164..1b5c6bf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-netmiko>=1.4.3
+netmiko>=4.0.0
 lxml>=3.2.4