diff --git a/.python-version b/.python-version
index d5629d4..6324d40 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.15t
+3.14
diff --git a/README.md b/README.md
index 44e0723..504d8e9 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Python Performance Lab: Sharpening Your Instincts
+# Python Performance Lab: Sharpening Your Instincts - mine
 
 A PyCon US 2026 hands-on tutorial. You optimize intentionally slow Python code
 across three rounds plus a team challenge, measuring every change with