diff --git a/ipa-core/Cargo.toml b/ipa-core/Cargo.toml
index 7d2216df6..71e98d623 100644
--- a/ipa-core/Cargo.toml
+++ b/ipa-core/Cargo.toml
@@ -6,7 +6,7 @@ version = "0.1.0"
 #    rust:slim-bullseye docker image is available.
 # 2. Update the rust version used for draft in
 #    https://github.com/private-attribution/draft/blob/main/sidecar/ansible/provision.yaml.
-rust-version = "1.82.0"
+rust-version = "1.84.0"
 edition = "2021"
 build = "build.rs"
 
diff --git a/ipa-core/src/cli/clientconf.rs b/ipa-core/src/cli/clientconf.rs
index 0b376dad0..8d50a6337 100644
--- a/ipa-core/src/cli/clientconf.rs
+++ b/ipa-core/src/cli/clientconf.rs
@@ -189,7 +189,7 @@ fn find_file_with_extension(path: &PathBuf, extension: &str) -> Option<String> {
         if path.is_file()
             && path
                 .extension()
-                .map_or(false, |ext| ext.to_str().unwrap() == extension)
+                .is_some_and(|ext| ext.to_str().unwrap() == extension)
         {
             return Some(path.file_stem().unwrap().to_str().unwrap().to_string());
         }
diff --git a/ipa-core/src/protocol/basics/mul/dzkp_malicious.rs b/ipa-core/src/protocol/basics/mul/dzkp_malicious.rs
index acccd670a..87e987920 100644
--- a/ipa-core/src/protocol/basics/mul/dzkp_malicious.rs
+++ b/ipa-core/src/protocol/basics/mul/dzkp_malicious.rs
@@ -28,8 +28,8 @@ use crate::{
 /// back via the error response
 /// ## Panics
 /// Panics if the mutex is found to be poisoned
-pub async fn zkp_multiply<'a, B, F, const N: usize>(
-    ctx: DZKPUpgradedMaliciousContext<'a, B>,
+pub async fn zkp_multiply<B, F, const N: usize>(
+    ctx: DZKPUpgradedMaliciousContext<'_, B>,
     record_id: RecordId,
     a: &Replicated<F, N>,
     b: &Replicated<F, N>,
diff --git a/ipa-core/src/protocol/ipa_prf/oprf_padding/insecure.rs b/ipa-core/src/protocol/ipa_prf/oprf_padding/insecure.rs
index d37edfecb..cddb3e720 100644
--- a/ipa-core/src/protocol/ipa_prf/oprf_padding/insecure.rs
+++ b/ipa-core/src/protocol/ipa_prf/oprf_padding/insecure.rs
@@ -385,7 +385,7 @@ mod test {
         const CHI2_INV_LB: f64 = 10_686.0;
 
         let mut rng = StdRng::seed_from_u64(seed);
-        let mut sample = [0_f64; N];
+        let mut sample = vec![0_f64; N];
         let dp = Dp::new(f64::from(epsilon), delta, f64::from(cap)).unwrap();
         #[allow(clippy::cast_precision_loss)]
         let n = N as f64;
@@ -433,7 +433,7 @@ mod test {
         #[allow(clippy::cast_precision_loss)]
         for epsilon in 1..11_u8 {
             let mut rng = thread_rng();
-            let mut sample = [0; N];
+            let mut sample = vec![0; N];
             let dp = DiscreteDp::new(f64::from(epsilon), delta, f64::from(cap)).unwrap();
             let n = N as f64;
             dp.apply(&mut sample, &mut rng);
diff --git a/ipa-core/src/report/ipa.rs b/ipa-core/src/report/ipa.rs
index cfaf4349f..7dfcabbb1 100644
--- a/ipa-core/src/report/ipa.rs
+++ b/ipa-core/src/report/ipa.rs
@@ -516,8 +516,8 @@ where
     /// # Panics
     /// If report length does not fit in `u16`.
     pub fn encrypted_len(&self) -> u16 {
-        let len = EncryptedOprfReport::<BK, TV, TS, &[u8]>::SITE_DOMAIN_OFFSET
-            + self.site_domain.as_bytes().len();
+        let len =
+            EncryptedOprfReport::<BK, TV, TS, &[u8]>::SITE_DOMAIN_OFFSET + self.site_domain.len();
         len.try_into().unwrap()
     }
 
diff --git a/ipa-core/src/test_fixture/world.rs b/ipa-core/src/test_fixture/world.rs
index 601eede12..f05fb7578 100644
--- a/ipa-core/src/test_fixture/world.rs
+++ b/ipa-core/src/test_fixture/world.rs
@@ -878,7 +878,7 @@ impl<S: ShardingScheme> ShardWorld<S> {
     }
 
     /// See `Runner` above.
-    async fn run_either<'a, C, A, O, H, R>(
+    async fn run_either<C, A, O, H, R>(
         contexts: [C; 3],
         span: Span,
         input_shares: [A; 3],