diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
index fa24da8..195b98e 100644
--- a/.claude-plugin/marketplace.json
+++ b/.claude-plugin/marketplace.json
@@ -51,7 +51,7 @@
       "source": {
         "source": "url",
         "url": "https://git.fromaitochitta.com/open/graceful-handoff.git",
-        "ref": "v3.0.0"
+        "ref": "v3.1.0"
       },
       "description": "One-command session handoff into the STATE.md continuity system. At a natural stopping point, overwrites the nearest STATE.md with a complete state-of-play (mandatory '👉 NEXT — START HERE' block) and commits per remote policy. Skill-only, no hooks."
     },
diff --git a/README.md b/README.md
index 3647ca9..b25eed2 100644
--- a/README.md
+++ b/README.md
@@ -83,7 +83,7 @@ Research-informed thresholds. Alerts are progressive and never blocking. Privacy
 
 ---
 
-### [Graceful Handoff](https://git.fromaitochitta.com/open/graceful-handoff) `v3.0.0`
+### [Graceful Handoff](https://git.fromaitochitta.com/open/graceful-handoff) `v3.1.0`
 
 Auto-trigger session handoff at context threshold, so summarizing state, committing work, and writing a continuation prompt don't get rushed when you run low. Manual `/graceful-handoff` always works as backup. Built for Opus 4.7.