--- a/crates/jrsonnet-evaluator/Cargo.toml
+++ b/crates/jrsonnet-evaluator/Cargo.toml
@@ -26,7 +26,7 @@
 # Iteration over objects yields [key, value] elements
 exp-object-iteration = []
 # Bigint type
-exp-bigint = ["num-bigint"]
+exp-bigint = ["num-bigint", "jrsonnet-types/exp-bigint"]
 
 # Improves performance, and implements some useful things using nightly-only features
 nightly = ["hashbrown/nightly"]
--- a/crates/jrsonnet-types/Cargo.toml
+++ b/crates/jrsonnet-types/Cargo.toml
@@ -11,3 +11,6 @@
 jrsonnet-gcmodule.workspace = true
 
 peg = "0.8.1"
+
+[features]
+exp-bigint = []