diff --git a/libs/core/Cargo.toml b/libs/core/Cargo.toml
index 6e317a1d2daf45..62a7bae3f91e70 100644
--- a/libs/core/Cargo.toml
+++ b/libs/core/Cargo.toml
@@ -14,7 +14,7 @@ description = "A modern JavaScript/TypeScript runtime built with V8, Rust, and T
 path = "lib.rs"
 
 [features]
-default = ["v8_use_custom_libcxx", "reactor-tokio"]
+default = ["include_icu_data", "v8_use_custom_libcxx", "reactor-tokio"]
 reactor-tokio = []
 include_icu_data = ["deno_core_icudata"]
 v8_use_custom_libcxx = ["v8/use_custom_libcxx"]