diff --git a/diagnostics/.gitattributes b/diagnostics/.gitattributes
new file mode 100644
index 00000000..36eaad9f
--- /dev/null
+++ b/diagnostics/.gitattributes
@@ -0,0 +1 @@
+* linguist-vendored
diff --git a/tests/.gitattributes b/tests/.gitattributes
index db21fbf4..2cab29b4 100644
--- a/tests/.gitattributes
+++ b/tests/.gitattributes
@@ -2,3 +2,4 @@ examples/* linguist-vendored
 snapshots/* linguist-vendored
 benchmarks/* linguist-vendored
 benchmarks/test-src/* linguist-vendored
+scripts/* linguist-vendored