diff --git a/lua/neotest-foundry/init.lua b/lua/neotest-foundry/init.lua
index dc7c964..91e3b42 100644
--- a/lua/neotest-foundry/init.lua
+++ b/lua/neotest-foundry/init.lua
@@ -24,6 +24,7 @@ function adapter.filter_dir(name)
     and name ~= "artifacts"
     and name ~= "docs"
     and name ~= "doc"
+    and name ~= "lib"
   )
 end