diff --git a/avm-transpiler/Cargo.lock b/avm-transpiler/Cargo.lock
index 2836b56f7961..7cf66991fadb 100644
--- a/avm-transpiler/Cargo.lock
+++ b/avm-transpiler/Cargo.lock
@@ -63,7 +63,6 @@ dependencies = [
  "keccak",
  "libaes",
  "log",
- "num-bigint",
  "p256",
  "sha2",
  "thiserror",
diff --git a/noir/noir-repo-ref b/noir/noir-repo-ref
index 69c5580fcffa..6ef0ce31c92f 100644
--- a/noir/noir-repo-ref
+++ b/noir/noir-repo-ref
@@ -1 +1 @@
-19f252519a431e961c594ac8b46d5319520871a8
+nightly-2025-09-22