diff --git a/lib/Nargo.toml b/lib/Nargo.toml
index cf9de63..4e40224 100644
--- a/lib/Nargo.toml
+++ b/lib/Nargo.toml
@@ -5,4 +5,4 @@ authors = [""]
 compiler_version = ">=0.34.0"
 
 [dependencies]
-bignum = {tag = "v0.3.3", git = "https://github.com/noir-lang/noir-bignum"}
+bignum = {tag = "v0.3.4", git = "https://github.com/noir-lang/noir-bignum"}