diff --git a/crates/starknet-types-core/src/felt/mod.rs b/crates/starknet-types-core/src/felt/mod.rs
index e1212d4..068f156 100644
--- a/crates/starknet-types-core/src/felt/mod.rs
+++ b/crates/starknet-types-core/src/felt/mod.rs
@@ -448,7 +448,7 @@ impl Felt {
 }
 
 #[cfg(feature = "arbitrary")]
-impl<'a> Arbitrary<'a> for Felt {
+impl Arbitrary<'_> for Felt {
     // Creates an arbitrary `Felt` from unstructured input for fuzzing.
     // It uses the default implementation to create the internal limbs and then
     // uses the usual constructors from `lambdaworks-math`.
@@ -905,7 +905,7 @@ mod serde_impl {
 
     struct FeltVisitor;
 
-    impl<'de> de::Visitor<'de> for FeltVisitor {
+    impl de::Visitor<'_> for FeltVisitor {
         type Value = Felt;
 
         fn expecting(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
diff --git a/ensure_no_std/rust-toolchain.toml b/ensure_no_std/rust-toolchain.toml
index 3575179..276c8dc 100644
--- a/ensure_no_std/rust-toolchain.toml
+++ b/ensure_no_std/rust-toolchain.toml
@@ -1,5 +1,5 @@
 [toolchain]
-channel = "1.77.2"
+channel = "1.84.1"
 components = ["rustfmt", "clippy"]
 targets = ["wasm32-unknown-unknown"]
 profile = "minimal"
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index b843478..d637558 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,4 +1,4 @@
 [toolchain]
-channel = "1.80.1"
+channel = "1.84.1"
 components = ["rustfmt", "clippy", "rust-analyzer"]
 profile = "minimal"