diff --git a/libafl_cc/Cargo.toml b/libafl_cc/Cargo.toml
index 5c89b8c39d..6974aeddcf 100644
--- a/libafl_cc/Cargo.toml
+++ b/libafl_cc/Cargo.toml
@@ -9,7 +9,7 @@ readme = "README.md"
 license = "MIT OR Apache-2.0"
 keywords = ["fuzzing", "testing", "compiler"]
 edition = "2021"
-rust-version = "1.78"
+rust-version = "1.82"
 categories = [
   "development-tools::testing",
   "emulators",
diff --git a/libafl_cc/src/cfg.rs b/libafl_cc/src/cfg.rs
index 0551bb8b97..49789f3c5c 100644
--- a/libafl_cc/src/cfg.rs
+++ b/libafl_cc/src/cfg.rs
@@ -317,7 +317,7 @@ where
                     let new_distance = distance + successor_info.get_weight();
                     let is_shorter = distances
                         .get(successor)
-                        .map_or(true, |&current| new_distance < current);
+                        .is_none_or(|&current| new_distance < current);
 
                     if is_shorter {
                         distances.insert(*successor, new_distance);
diff --git a/libafl_derive/Cargo.toml b/libafl_derive/Cargo.toml
index 2cc461b66c..cd2d76a61b 100644
--- a/libafl_derive/Cargo.toml
+++ b/libafl_derive/Cargo.toml
@@ -9,7 +9,7 @@ readme = "../README.md"
 license = "MIT OR Apache-2.0"
 keywords = ["fuzzing", "testing"]
 edition = "2021"
-rust-version = "1.78"
+rust-version = "1.82"
 categories = [
   "development-tools::testing",
   "emulators",