diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3e93632..bbe809e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 ChangeLog
 =========
+6.0.5 (2026-04-27)
+------------------
+
+* #267 chore (ci): add CI for PHP 8.5 on 6.0 branch (@phil-davis)
+* #274 test: adjust code style (@phil-davis)
+* #275 fix(http/client): prefer CURLOPT_PROTOCOLS_STR over deprecated bitmask constants (@ralflang)
+
 6.0.4 (2025-09-09)
 ------------------
 
diff --git a/lib/Version.php b/lib/Version.php
index ea9feba..53dd8e9 100644
--- a/lib/Version.php
+++ b/lib/Version.php
@@ -16,5 +16,5 @@ class Version
     /**
      * Full version number.
      */
-    public const VERSION = '6.0.4';
+    public const VERSION = '6.0.5';
 }