diff --git a/Cargo.toml b/Cargo.toml
index 08a6df7..0b8e49e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -40,6 +40,9 @@ serde_json = "1"
 [package.metadata.docs.rs]
 all-features = true
 
+[[example]]
+name = "R-approx-function"
+
 [[example]]
 name = "hello-world"