diff --git a/.formatter.exs b/.formatter.exs
index 525446d..65ed443 100644
--- a/.formatter.exs
+++ b/.formatter.exs
@@ -1,4 +1,5 @@
 # Used by "mix format"
 [
+  import_deps: [:stream_data],
   inputs: ["mix.exs", "{config,lib,test}/**/*.{ex,exs}"]
 ]