diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 00000000..9df7fa5d
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,8 @@
+public
+build
+coverage
+cache/**
+node_modules
+src/flowtype/npm
+scripts/solidity/.*
+**/_old/*
\ No newline at end of file