diff --git a/plotly_kaleido/Cargo.toml b/plotly_kaleido/Cargo.toml
index 75b2334..0761cc8 100644
--- a/plotly_kaleido/Cargo.toml
+++ b/plotly_kaleido/Cargo.toml
@@ -31,4 +31,4 @@ plotly_kaleido = { path = ".", features = ["download"] }
 
 [build-dependencies]
 zip = "2.1"
-directories = ">=4, <6"
+directories = ">=4, <7"