diff --git a/temporal_capi/Cargo.toml b/temporal_capi/Cargo.toml
index 2b2cc6525..8c9a362f0 100644
--- a/temporal_capi/Cargo.toml
+++ b/temporal_capi/Cargo.toml
@@ -30,6 +30,7 @@ zoneinfo64 = { workspace = true, optional = true }
 
 [features]
 compiled_data = ["temporal_rs/compiled_data"]
+float64_representable_durations = ["temporal_rs/float64_representable_durations"]
 zoneinfo64 = ["dep:zoneinfo64", "timezone_provider/zoneinfo64"]
 
 [package.metadata.docs.rs]