diff --git a/.gitignore b/.gitignore
index 29fca1c88..d7c8cfe15 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@
 *.png
 *.log
 *.elf
+*.d
 *.ihex
 *.pyc
 *.sky