diff --git a/.gitignore b/.gitignore
index a95f9ee..d755504 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,6 +30,9 @@ src/frontend/routeTree.gen.ts
 # IntelliJ based IDEs
 .idea
 
+# Claude Code session data
+.claude/
+
 # Finder (MacOS) folder config
 .DS_Store