diff --git a/cspell.yml b/cspell.yml
index 53ba1bf7d..ba34b9129 100644
--- a/cspell.yml
+++ b/cspell.yml
@@ -19,6 +19,7 @@ words:
   - accum
   - Aeson
   - anyclass
+  - attoparsec
   - bgroup
   - Bifunctor
   - bimap