diff --git a/.gitleaks.toml b/.gitleaks.toml
index dda1a73..c0c99b2 100644
--- a/.gitleaks.toml
+++ b/.gitleaks.toml
@@ -5,10 +5,9 @@ useDefault = true
 
 # Allowlist for test files and fixtures that intentionally contain placeholder tokens.
 # These are not real secrets and are used only for testing purposes.
-[[allowlists]]
+[allowlist]
 description = "Test fixture files containing placeholder tokens"
 paths = [
-	'''testutil/test_constants\.go''',
-	'''.*_test\.go''',
-	'''testdata/.*''',
+	'''^testutil/test_constants\.go$''',
+	'''^testdata/''',
 ]