diff --git a/.gitignore b/.gitignore
index aa49a1d..563f5cc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 ## Node GitHub Action dependencies must be checked-in
-# node_modules
+
+# node_modules that can be ignored safely
 node_modules/@types
 node_modules/**/**.ts
 node_modules/**/README*
@@ -7,4 +8,12 @@ node_modules/.bin
 node_modules/.package-lock.json
 node_modules/typescript
 node_modules/fsevents
+node_modules/undici-types
+
+# IDE artifacts
 .DS_Store
+*.swp
+*.swo
+
+# Development play-space
+dev