diff --git a/Cargo.toml b/Cargo.toml
index aae1f8bd..fc4bf887 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -134,7 +134,7 @@ dms-coordinates = "1.3.1"
 bitflags = { version = "2.3", features = ["serde"] } 
 serde = { version = "1.0", optional = true, default-features = false, features = ["derive"] }
 
-geo = { version = "0.28", optional = true }
+geo = { version = "0.30", optional = true }
 flate2 = { version = "1", optional = true }
 wkt = { version = "0.10.0", default-features = false, optional = true }