diff --git a/tests/cli_system_tests.rs b/tests/cli_system_tests.rs
index 143b25c..3023066 100644
--- a/tests/cli_system_tests.rs
+++ b/tests/cli_system_tests.rs
@@ -28,7 +28,7 @@ fn from_main_help() {
                 assert_eq!(env_state.python37, python_path);
                 assert!(message.contains(python_path.to_str().unwrap()));
             }
-            _ => panic!("{:?} flag did not return Action::Help", flag),
+            _ => panic!("{flag:?} flag did not return Action::Help"),
         }
     }
 }
@@ -82,7 +82,7 @@ fn from_main_by_flag() {
         }
         Ok(Action::Help(_, _)) => panic!("Got back help"),
         Ok(Action::List(_)) => panic!("Got back a list of executables"),
-        Err(error) => panic!("No executable found in default case: {:?}", error),
+        Err(error) => panic!("No executable found in default case: {error:?}"),
     }
 
     match Action::from_main(&[launcher_location.clone(), "-2".to_string()]) {
diff --git a/tests/main_tests.rs b/tests/main_tests.rs
index 6aab08c..6f34bde 100644
--- a/tests/main_tests.rs
+++ b/tests/main_tests.rs
@@ -81,7 +81,7 @@ fn exact_version() {
     let python = python_launcher::find_executable(RequestedVersion::Any)
         .expect("no Python executable found");
     let version = ExactVersion::from_path(&python).unwrap();
-    let version_flag = format!("-{}", version);
+    let version_flag = format!("-{version}");
     let result = py_executable()
         .args([
             version_flag.as_str(),
@@ -112,7 +112,7 @@ fn logging_output() {
 #[test_case("3."; "invalid version specifier")]
 #[test_case("0.1"; "non-existent version")]
 fn version_failure(version: &str) {
-    let flag = format!("-{}", version);
+    let flag = format!("-{version}");
     let result = py_executable().arg(flag).assert();
 
     result.failure().stdout(str::is_empty());