diff --git a/CHANGELOG.TXT b/CHANGELOG.TXT
index c9da1b488..960cea7ef 100644
--- a/CHANGELOG.TXT
+++ b/CHANGELOG.TXT
@@ -5,9 +5,11 @@
   Fixed issue MR-525 - Could not start on windows 7 64bit
   Fixed issue MR-535 - SQL error saving Connections
   Fixed issue MR-538 - RDP loses connection when hiding config or connections pane
+  Fixed issue MR-542 - Wrapped putty has security flaw
   Made minor improvements to the port scan functionality.
   Fixed possible cross-thread operation exception when loading connections from SQL.
   Fixed PuTTY Saved Sessions not showing after loading a new connections file.
+  Updated PuTTY to version 0.63.
 
 1.71 Beta 5 (2013-06-09):
   Fixed issue MR-491 - Could not start RDP Connection
diff --git a/Installer/Dependencies/PuTTYNG.exe b/Installer/Dependencies/PuTTYNG.exe
index 59c1cbcca..8d34ae564 100644
Binary files a/Installer/Dependencies/PuTTYNG.exe and b/Installer/Dependencies/PuTTYNG.exe differ
diff --git a/Installer/Dependencies/PuTTYNG.pdb b/Installer/Dependencies/PuTTYNG.pdb
index d0df146ca..1f96d8f1b 100644
Binary files a/Installer/Dependencies/PuTTYNG.pdb and b/Installer/Dependencies/PuTTYNG.pdb differ