diff --git a/_tools/codespell-ignore.txt b/_tools/codespell-ignore.txt
index e0bc96bcd9c..5258e0a4db5 100644
--- a/_tools/codespell-ignore.txt
+++ b/_tools/codespell-ignore.txt
@@ -5,3 +5,4 @@ que
 raison
 uint
 implementors
+thirdparty