diff --git a/.gitattributes b/.gitattributes
index a13f2777c514..5e9866a2e0f3 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,4 +1,4 @@
-flake.lock linguist-generated=true
+flake.lock linguist-language=JSON linguist-generated=true
 uv.lock linguist-language=TOML linguist-generated=true
 ibis/examples/pixi.lock linguist-generated=true
 requirements-dev.txt linguist-generated=true