diff --git a/changelog/best-practice/claude-subagents/changelog.md b/changelog/best-practice/claude-subagents/changelog.md
index 082baba..6767649 100644
--- a/changelog/best-practice/claude-subagents/changelog.md
+++ b/changelog/best-practice/claude-subagents/changelog.md
@@ -225,3 +225,9 @@ No drift detected on the two tracked dimensions — all 16 frontmatter fields an
 ## [2026-05-01 03:30 PM PKT] Claude Code v2.1.126
 
 No drift detected on the two tracked dimensions — all 16 frontmatter fields and 5 built-in agents match.
+
+---
+
+## [2026-05-09 06:58 PM PKT] Claude Code v2.1.138
+
+No drift detected on the two tracked dimensions — all 16 frontmatter fields and 5 built-in agents match. Report jumped 12 versions (v2.1.126 → v2.1.138); no add/remove changes to subagent surfaces in that range.