diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000000000000000000000000000000000000..e0f87fc88a545bc907448402b8ce43aa9fde8799
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.geo gitlab-language=cpp