diff --git a/CHANGELOG.md b/CHANGELOG.md
index 48f1fc3..18a16fb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,8 @@
 # Change Log
 
-## Unreleased
+## 0.6.5 (2024-06-11)
 
+* Update available NegotiateFlags during authentication
 * Fix NTLMv2 hash when username contains non-ASCII characters by @cdelafuente-r7 in https://github.com/WinRb/rubyntlm/pull/56
 
 ## 0.6.4 (2024-06-06)
diff --git a/lib/net/ntlm/version.rb b/lib/net/ntlm/version.rb
index 376bcf7..89058b0 100644
--- a/lib/net/ntlm/version.rb
+++ b/lib/net/ntlm/version.rb
@@ -4,7 +4,7 @@ module NTLM
     module VERSION
       MAJOR = 0
       MINOR = 6
-      TINY  = 4
+      TINY  = 5
       STRING = [MAJOR, MINOR, TINY].join('.')
     end
   end