diff --git a/Cargo.toml b/Cargo.toml
index 48f80bbbc..67fb715a2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -38,7 +38,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 rustdoc-args = ["--generate-link-to-definition"]
 
 [package.metadata.playground]
-features = ["raw_value"]
+features = ["float_roundtrip", "raw_value", "unbounded_depth"]
 
 
 ### FEATURES #################################################################