diff --git a/clippy_dev/src/sync.rs b/clippy_dev/src/sync.rs
index 0f08f143c44a..38f4e4203305 100644
--- a/clippy_dev/src/sync.rs
+++ b/clippy_dev/src/sync.rs
@@ -29,8 +29,8 @@ fn start_josh() -> impl Drop {
     let josh = cmd
         .spawn()
         .expect("failed to start josh-proxy, make sure it is installed");
-    // Give it some time so hopefully the port is open. (100ms was not enough.)
-    std::thread::sleep(std::time::Duration::from_millis(200));
+    // Give it some time so hopefully the port is open.
+    std::thread::sleep(std::time::Duration::from_secs(1));
 
     // Create a wrapper that stops it on drop.
     struct Josh(process::Child);
@@ -44,7 +44,7 @@ fn start_josh() -> impl Drop {
                     .output()
                     .expect("failed to SIGINT josh-proxy");
                 // Sadly there is no "wait with timeout"... so we just give it some time to finish.
-                std::thread::sleep(std::time::Duration::from_millis(100));
+                std::thread::sleep(std::time::Duration::from_secs(1));
                 // Now hopefully it is gone.
                 if self.0.try_wait().expect("failed to wait for josh-proxy").is_some() {
                     return;