diff --git a/Cargo.lock b/Cargo.lock
index 09cfa880..13dddc7b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1357,7 +1357,6 @@ dependencies = [
 name = "pewpew"
 version = "0.5.12"
 dependencies = [
- "atty",
  "base64 0.21.0",
  "body_reader",
  "bytes",
diff --git a/Cargo.toml b/Cargo.toml
index 59010398..9858a73c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,6 @@ name = "test-server"
 path = "src/bin/test_server.rs"
 
 [dependencies]
-atty = "0.2"
 base64 = "0.21"
 body_reader = { path = "./lib/body_reader" }
 bytes = "1"
diff --git a/src/bin/pewpew.rs b/src/bin/pewpew.rs
index d1435e9b..35dbc2b1 100644
--- a/src/bin/pewpew.rs
+++ b/src/bin/pewpew.rs
@@ -1,4 +1,4 @@
-use std::io;
+use std::io::{self, IsTerminal};
 
 use futures::channel::mpsc as futures_channel;
 use log::{debug, info};
@@ -180,11 +180,7 @@ fn main() {
             Paint::disable();
         }
     }
-    // TODO: https://rustsec.org/advisories/RUSTSEC-2021-0145
-    // Consider
-    //  - [is-terminal](https://crates.io/crates/is-terminal)
-    //  - std::io::IsTerminal *nightly-only experimental*
-    if atty::isnt(atty::Stream::Stdout) {
+    if !io::stdout().is_terminal() {
         Paint::disable();
     }