diff --git a/.cspell.json b/.cspell.json
index bdb93b29..caf8de0b 100644
--- a/.cspell.json
+++ b/.cspell.json
@@ -19,6 +19,7 @@
     "**/*.osm",
     "**/*.pcd",
     "**/*.pt",
+    "**/*.so",
     "**/*.stl",
     "**/*.svg",
     "**/*.wav",