diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index afd16a3..57440f6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -17,8 +17,8 @@ jobs:
         uses: actions/checkout@v2
       - name: Build and test with Rust latest
         run: |
-          cargo build --verbose
-          cargo test --verbose
+          cargo build --verbose --features strict
+          cargo test --verbose --features strict
 
   rust-nightly:
     runs-on: ubuntu-latest
@@ -28,5 +28,5 @@ jobs:
         uses: actions/checkout@v2
       - name: Build and test with Rust nightly
         run: |
-          cargo build --verbose
-          cargo test --verbose
+          cargo build --verbose --features strict
+          cargo test --verbose --features strict
\ No newline at end of file
diff --git a/Cargo.toml b/Cargo.toml
index 48dc78f..a533e21 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,4 +18,7 @@ jupiter = { git = "https://github.com/jup-ag/rust-amm-implementation.git", branc
 invariant-types = { git = "https://github.com/invariant-labs/protocol.git", branch = "master" }
 anchor-lang = "0.26.0"
 borsh = {version = "*", features = ["const-generics"]}
-rust_decimal = "1.30.0"
\ No newline at end of file
+rust_decimal = "1.30.0"
+
+[features]
+strict = []
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
index 738bf5e..0f07ac5 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,3 +1,5 @@
+#![cfg_attr(feature = "strict", deny(unused_results))]
+
 use std::collections::HashMap;
 
 use anchor_lang::prelude::*;
diff --git a/src/utiles.rs b/src/utiles.rs
index 61581b5..298e69e 100644
--- a/src/utiles.rs
+++ b/src/utiles.rs
@@ -38,7 +38,7 @@ impl JupiterInvariant {
             .enumerate()
             .fold(HashMap::new(), |mut m, (index, account)| {
                 if let Some(account) = account {
-                    m.insert(accounts_to_update[index], account.data.clone());
+                    let _ = m.insert(accounts_to_update[index], account.data.clone());
                 }
                 m
             })