diff --git a/.gitignore b/.gitignore
index 2eadbdd5..0a6a87db 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 # See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
 
+src/chains/
 tests/downloads/
 
 # dependencies