diff --git a/geo/Cargo.toml b/geo/Cargo.toml
index 9c29776ce..dd6b8ebb0 100644
--- a/geo/Cargo.toml
+++ b/geo/Cargo.toml
@@ -31,7 +31,7 @@ proj = { version = "0.27.0", optional = true }
 robust = "1.1.0"
 rstar = "0.12.0"
 serde = { version = "1.0", optional = true, features = ["derive"] }
-i_overlay = { version = "1.7.2", optional = true }
+i_overlay = { version = "1.7.2", optional = true, default-features = false }
 
 [dev-dependencies]
 approx = ">= 0.4.0, < 0.6.0"