diff --git a/bin/verify-era-proof-attestation/src/proof/types.rs b/bin/verify-era-proof-attestation/src/proof/types.rs
index af3e905..e2362e6 100644
--- a/bin/verify-era-proof-attestation/src/proof/types.rs
+++ b/bin/verify-era-proof-attestation/src/proof/types.rs
@@ -61,12 +61,12 @@ impl Proof {
     pub fn is_permanently_ignored(&self) -> bool {
         self.status
             .as_ref()
-            .map_or(false, |s| s.eq_ignore_ascii_case("permanently_ignored"))
+            .is_some_and(|s| s.eq_ignore_ascii_case("permanently_ignored"))
     }
 
     /// Check if the proof is failed or picked by a prover
     pub fn is_failed_or_picked(&self) -> bool {
-        self.status.as_ref().map_or(false, |s| {
+        self.status.as_ref().is_some_and(|s| {
             s.eq_ignore_ascii_case("failed") || s.eq_ignore_ascii_case("picked_by_prover")
         })
     }
diff --git a/crates/teepot-vault/src/client/mod.rs b/crates/teepot-vault/src/client/mod.rs
index f254fd8..97625d7 100644
--- a/crates/teepot-vault/src/client/mod.rs
+++ b/crates/teepot-vault/src/client/mod.rs
@@ -222,7 +222,7 @@ impl TeeConnection {
                     if self
                         .args
                         .sgx_allowed_tcb_levels
-                        .map_or(true, |levels| !levels.contains(tcblevel))
+                        .is_none_or(|levels| !levels.contains(tcblevel))
                     {
                         error!("Quote verification result: {}", tcblevel);
                         return Err(Error::General(format!(
diff --git a/crates/teepot-vault/src/client/vault.rs b/crates/teepot-vault/src/client/vault.rs
index 42cfbae..c3cf4ad 100644
--- a/crates/teepot-vault/src/client/vault.rs
+++ b/crates/teepot-vault/src/client/vault.rs
@@ -297,7 +297,7 @@ impl VaultConnection {
     }
 
     /// set a secret in the vault
-    pub async fn store_secret<'de, T: serde::Serialize>(
+    pub async fn store_secret<T: serde::Serialize>(
         &self,
         val: T,
         rel_path: &str,
@@ -306,7 +306,7 @@ impl VaultConnection {
     }
 
     /// set a secret in the vault for a different TEE
-    pub async fn store_secret_for_tee<'de, T: serde::Serialize>(
+    pub async fn store_secret_for_tee<T: serde::Serialize>(
         &self,
         tee_name: &str,
         val: T,
@@ -330,7 +330,7 @@ impl VaultConnection {
     }
 
     /// get a secret from the vault
-    pub async fn load_secret<'de, T: serde::de::DeserializeOwned>(
+    pub async fn load_secret<T: serde::de::DeserializeOwned>(
         &self,
         rel_path: &str,
     ) -> Result<Option<T>, HttpResponseError> {
@@ -338,7 +338,7 @@ impl VaultConnection {
     }
 
     /// get a secret from the vault for a specific TEE
-    pub async fn load_secret_for_tee<'de, T: serde::de::DeserializeOwned>(
+    pub async fn load_secret_for_tee<T: serde::de::DeserializeOwned>(
         &self,
         tee_name: &str,
         rel_path: &str,
diff --git a/crates/teepot/src/quote/attestation.rs b/crates/teepot/src/quote/attestation.rs
index 4f00065..371545c 100644
--- a/crates/teepot/src/quote/attestation.rs
+++ b/crates/teepot/src/quote/attestation.rs
@@ -81,7 +81,7 @@ pub fn get_quote_and_collateral(
     }
 
     if tcblevel != TcbLevel::Ok
-        && allowed_tcb_levels.map_or(false, |levels| !levels.contains(tcblevel))
+        && allowed_tcb_levels.is_some_and(|levels| !levels.contains(tcblevel))
     {
         error!("Quote verification result: {}", tcblevel);
         bail!("Quote verification result: {}", tcblevel);
diff --git a/flake.lock b/flake.lock
index 643b08f..62f2b11 100644
--- a/flake.lock
+++ b/flake.lock
@@ -234,11 +234,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1734661750,
-        "narHash": "sha256-BI58NBdimxu1lnpOrG9XxBz7Cwqy+qIf99zunWofX5w=",
+        "lastModified": 1743993291,
+        "narHash": "sha256-u8GHvduU1gCtoFXvTS/wGjH1ouv5S/GRGq6MAT+sG/k=",
         "owner": "oxalica",
         "repo": "rust-overlay",
-        "rev": "7d3d910d5fd575e6e8c5600d83d54e5c47273bfe",
+        "rev": "0cb3c8979c65dc6a5812dfe67499a8c7b8b4325b",
         "type": "github"
       },
       "original": {
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index dbe555f..a237e46 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.83"
+channel = "1.86"
 components = ["rustfmt", "clippy", "rust-src"]