diff --git a/ibis/formats/pyarrow.py b/ibis/formats/pyarrow.py
index ec63c96ed13c0..7fbb90b9b3897 100644
--- a/ibis/formats/pyarrow.py
+++ b/ibis/formats/pyarrow.py
@@ -56,6 +56,7 @@
     dt.Unknown: pa.string(),
     dt.MACADDR: pa.string(),
     dt.INET: pa.string(),
+    dt.JSON: pa.string(),
 }