diff --git a/.gitignore b/.gitignore
index b807ead..8d4116b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,3 +38,7 @@ clients/apple/**/build/
 clients/apple/**/*.xcodeproj/xcuserdata/
 clients/windows/**/bin/
 clients/windows/**/obj/
+
+# Test artifacts: TOFU pin store written by vc_client during headless tests
+# (core/src/core/client.cpp falls back to this relative path when tofu_store_path is unset).
+voicecat_tofu_pins.txt