diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 000000000..4c3bc5290
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,5 @@
+*.ipynb linguist-vendored
+*.[23]levels linguist-vendored
+*.tex linguist-documentation
+
+*.H linguist-language=C++