diff --git a/rust/candid/Cargo.toml b/rust/candid/Cargo.toml
index 9506424f..3e3a099b 100644
--- a/rust/candid/Cargo.toml
+++ b/rust/candid/Cargo.toml
@@ -28,7 +28,7 @@ lalrpop-util = "0.19.0"
 leb128 = "0.2.4"
 logos = "0.12"
 num_enum = "0.5.1"
-num-bigint = "0.4.0"
+num-bigint = "0.4.2"
 num-traits = "0.2.12"
 paste = "1.0.0"
 pretty = "0.10.0"