diff --git a/Nargo.toml b/Nargo.toml
index 323e8be..95fcbf1 100644
--- a/Nargo.toml
+++ b/Nargo.toml
@@ -5,5 +5,5 @@ authors = [""]
 compiler_version = ">=1.0.0"
 
 [dependencies]
-bignum = {tag = "v0.5.0", git = "https://github.com/noir-lang/noir-bignum"}
+bignum = {tag = "v0.5.4", git = "https://github.com/noir-lang/noir-bignum"}
 sort = {tag = "v0.2.2", git = "https://github.com/noir-lang/noir_sort"}