diff --git a/Cargo.toml b/Cargo.toml
index eb6d0b92cb9..95b3cc94cb0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -57,7 +57,7 @@ hashbrown = { version = ">= 0.15.0, < 0.18", optional = true, default-features =
 ] }
 indexmap = { version = ">= 2.5.0, < 3", optional = true }
 jiff-02 = { package = "jiff", version = "0.2", optional = true }
-num-bigint = { version = "0.4.4", optional = true }
+num-bigint = { version = "0.5.1", optional = true }
 num-complex = { version = ">= 0.4.6, < 0.5", optional = true }
 num-rational = { version = "0.4.1", optional = true }
 num-traits = { version = "0.2.16", optional = true }