diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1de2df4..9863b06 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,13 @@
 
 # PIVageant changes log
 
+## 0.4.0
+
+on 22 Mar 2022
+
+* Allow PIV device change without restart
+* Update scard dependency
+
 ## 0.3.0
 
 on 27 Dec 2021
diff --git a/README.md b/README.md
index f529a0b..74c6c26 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,9 @@ After detecting your PIV dongle, it hides automatically to tray if it can read a
 
 When minimized, it goes to the tray icons bar. Any click on the icon restore the window.
 
+You can change the current PIV device, after the new PIV key device was plugged in place of the other one :  
+Maximize PIVageant (click on the tray icon), then click on the "Refresh" button.
+
 ### Generate a key in a YubiKey
 
 Click on the "+ new key" button in PIVageant, then confirm.
diff --git a/_version.py b/_version.py
index 38d3312..dce3cd0 100644
--- a/_version.py
+++ b/_version.py
@@ -3,4 +3,4 @@
 # major.minor.micro
 # can be overridden by git tag in CI/CD compilation
 
-__version__ = "0.3.0"
+__version__ = "0.4.0"