diff --git a/Cargo.toml b/Cargo.toml
index 53817d531e2..04cb014ae6d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,6 +8,7 @@ repository = "https://github.com/jorgecarleitao/arrow2"
 authors = ["Jorge C. Leitao <jorgecarleitao@gmail.com>", "Apache Arrow <dev@arrow.apache.org>"]
 keywords = [ "arrow", "analytics" ]
 edition = "2018"
+exclude = ["testing/"]
 
 [lib]
 name = "arrow2"