diff --git a/.claude-plugin/marketplace.json b/.claude-plugin/marketplace.json
index ea8c0f07..70a625dd 100644
--- a/.claude-plugin/marketplace.json
+++ b/.claude-plugin/marketplace.json
@@ -39,7 +39,7 @@
     {
       "name": "engineering-practices",
       "description": "Git commits, conventional releases, refactoring, test-driven development, and engineering ways of working skills",
-      "version": "1.0.0",
+      "version": "1.0.1",
       "source": "./plugins/engineering-practices"
     },
     {
diff --git a/.github/plugin/marketplace.json b/.github/plugin/marketplace.json
index ea8c0f07..70a625dd 100644
--- a/.github/plugin/marketplace.json
+++ b/.github/plugin/marketplace.json
@@ -39,7 +39,7 @@
     {
       "name": "engineering-practices",
       "description": "Git commits, conventional releases, refactoring, test-driven development, and engineering ways of working skills",
-      "version": "1.0.0",
+      "version": "1.0.1",
       "source": "./plugins/engineering-practices"
     },
     {
diff --git a/plugins/engineering-practices/.claude-plugin/plugin.json b/plugins/engineering-practices/.claude-plugin/plugin.json
index bf237f79..4cbf1cc0 100644
--- a/plugins/engineering-practices/.claude-plugin/plugin.json
+++ b/plugins/engineering-practices/.claude-plugin/plugin.json
@@ -1,7 +1,7 @@
 {
   "name": "engineering-practices",
   "description": "Git commits, conventional releases, refactoring, test-driven development, and engineering ways of working skills",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "author": {
     "name": "devantler-tech",
     "url": "https://github.com/devantler-tech"
diff --git a/plugins/engineering-practices/plugin.json b/plugins/engineering-practices/plugin.json
index bf237f79..4cbf1cc0 100644
--- a/plugins/engineering-practices/plugin.json
+++ b/plugins/engineering-practices/plugin.json
@@ -1,7 +1,7 @@
 {
   "name": "engineering-practices",
   "description": "Git commits, conventional releases, refactoring, test-driven development, and engineering ways of working skills",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "author": {
     "name": "devantler-tech",
     "url": "https://github.com/devantler-tech"
diff --git a/plugins/engineering-practices/skills/test-driven-development/SKILL.md b/plugins/engineering-practices/skills/test-driven-development/SKILL.md
index 4247ade8..b1ddf5cc 100644
--- a/plugins/engineering-practices/skills/test-driven-development/SKILL.md
+++ b/plugins/engineering-practices/skills/test-driven-development/SKILL.md
@@ -2,9 +2,9 @@
 description: Use when implementing any feature or bugfix, before writing implementation code
 metadata:
     github-path: skills/test-driven-development
-    github-ref: refs/tags/v6.2.0
+    github-ref: refs/tags/v6.4.1
     github-repo: https://github.com/obra/superpowers
-    github-tree-sha: a82cf8b413600c6bd7c4b482272d7990e9588cf1
+    github-tree-sha: 847144cf0824095922c0d4875648b9fa74877e1a
 name: test-driven-development
 ---
 # Test-Driven Development (TDD)
@@ -186,6 +186,16 @@ Confirm:
 
 **Other tests fail?** Fix now.
 
+**"Other tests" means the project's suite, not just your file.** A
+green run of the test you wrote is not a green suite. Before you call
+the change done, run the project's test command (bare `pytest`,
+`npm test`, `cargo test` — whatever the repo uses) even when your task
+named only one test file. A scope statement in your task bounds the
+deliverable, not your verification. Any failure that run shows —
+including one you didn't cause — goes in your report by name; a red
+test you watched scroll past and didn't mention is a report falsified
+by omission.
+
 ### REFACTOR - Clean Up
 
 After green only: