diff --git a/.gitignore b/.gitignore
index ada8be9..e2a4825 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,4 +11,7 @@ Cargo.lock
 **/*.rs.bk
 
 # MSVC Windows builds of rustc generate these, which store debugging information
-*.pdb
\ No newline at end of file
+*.pdb
+
+/mexx/
+/dev/
\ No newline at end of file