diff --git a/PHI-CL/changelog.txt b/PHI-CL/changelog.txt
index f2dfa63..89c9a91 100644
--- a/PHI-CL/changelog.txt
+++ b/PHI-CL/changelog.txt
@@ -1,3 +1,10 @@
+---------------------------------------------------------------------------------------------------
+Version: 3.0.57
+Date: 2025-01-21
+
+  Changes:
+    - [SA] Some changes on railgun speed.
+
 ---------------------------------------------------------------------------------------------------
 Version: 3.0.56
 Date: 2025-01-16