diff --git a/Cargo.toml b/Cargo.toml
index cc79abf..39d497e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2018"
 crate-type = ["cdylib", "rlib"]
 
 [features]
-default = ["console_error_panic_hook"]
+default = ["console_error_panic_hook", "wee_alloc"]
 
 [dependencies]
 cfg-if = "0.1.2"