diff --git a/README.md b/README.md
index 247bdec..c290825 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ _in which I attempt to use a different language every day_
 1. LLVM IR
 2. jq
 3. PostScript
-4. ??
+4. Uiua
 5. ??
 6. ??
 7. ??