diff --git a/.changeset/beige-games-bake.md b/.changeset/beige-games-bake.md
new file mode 100644
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+++ b/.changeset/beige-games-bake.md
@@ -0,0 +1,5 @@
+---
+"@triplex/renderer": patch
+---
+
+Fix `dy` not being used in the outline shader.