diff --git a/pyproject.toml b/pyproject.toml
index 05e699f..8ce0050 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,4 +8,11 @@ dev = [
     '-e nwb-linkml @ file:///${PROJECT_ROOT}/nwb_linkml',
     '-e nwb-schema-language @ file:///${PROJECT_ROOT}/nwb_schema_language',
     '-e docs @ file:///${PROJECT_ROOT}/docs',
-]
\ No newline at end of file
+]
+
+[tool.codespell]
+# Ref: https://github.com/codespell-project/codespell#using-a-config-file
+skip = '.git*,*.lock,*.css,./nwb_linkml/src/nwb_linkml/models,./nwb_linkml/src/nwb_linkml/schema'
+check-hidden = true
+# ignore-regex = ''
+# ignore-words-list = ''
\ No newline at end of file