diff --git a/Cargo.lock b/Cargo.lock
index 1fa2c783d..a21839816 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2023,7 +2023,7 @@ dependencies = [
  "ink_env",
  "ink_metadata",
  "itertools 0.13.0",
- "nom",
+ "nom 8.0.0",
  "nom-supreme",
  "parity-scale-codec",
  "primitive-types 0.13.1",
@@ -5372,6 +5372,15 @@ dependencies = [
  "minimal-lexical",
 ]
 
+[[package]]
+name = "nom"
+version = "8.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df9761775871bdef83bee530e60050f7e54b1105350d6884eb0fb4f46c2f9405"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "nom-supreme"
 version = "0.7.0"
@@ -5382,7 +5391,7 @@ dependencies = [
  "indent_write",
  "joinery",
  "memchr",
- "nom",
+ "nom 7.1.3",
 ]
 
 [[package]]
@@ -10274,7 +10283,7 @@ dependencies = [
  "libm",
  "libsecp256k1",
  "merlin",
- "nom",
+ "nom 7.1.3",
  "num-bigint",
  "num-rational",
  "num-traits",
diff --git a/crates/transcode/Cargo.toml b/crates/transcode/Cargo.toml
index bf57dd1d1..bcbf9c6f9 100644
--- a/crates/transcode/Cargo.toml
+++ b/crates/transcode/Cargo.toml
@@ -28,7 +28,7 @@ ink_env = "5.1.0"
 ink_metadata = "5.1.0"
 itertools = "0.13.0"
 tracing = "0.1.40"
-nom = "7.1.3"
+nom = "8.0.0"
 nom-supreme = { version = "0.7.0", features = ["error"] }
 primitive-types = { version = "0.13.1", default-features = false, features = ["codec", "scale-info", "serde"] }
 scale = { package = "parity-scale-codec", version = "3.0.0", features = ["derive"] }