diff --git a/Cargo.toml b/Cargo.toml
index 72bd4c0..7ce1a1a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,4 +7,4 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-plotters-backend = "^0.0.*"
+plotters-backend = "^0.3.*"