diff --git a/.gitignore b/.gitignore
index d0c5b99..9da181f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,9 @@
 # Ignore generated SBOM files
 /sboms
 
+# Ignore committed scanner fixtures during broad repository scans
+**/testdata/**
+
 # Ignore local dependency graph benchmark artifacts
 /.benchmark-runs