diff --git a/google-apis-common/src/lib.rs b/google-apis-common/src/lib.rs
index a9c696cf05..5fd46e5efd 100644
--- a/google-apis-common/src/lib.rs
+++ b/google-apis-common/src/lib.rs
@@ -5,7 +5,6 @@ use std::future::Future;
 use std::io::{self, Cursor, Read, Seek, SeekFrom, Write};
 use std::pin::Pin;
 use std::str::FromStr;
-use std::thread::sleep;
 use std::time::Duration;
 
 use itertools::Itertools;
@@ -21,6 +20,7 @@ use mime::{Attr, Mime, SubLevel, TopLevel, Value};
 use serde_json as json;
 
 use tokio::io::{AsyncRead, AsyncWrite};
+use tokio::time::sleep;
 use tower_service;
 
 pub use yup_oauth2 as oauth2;
@@ -597,7 +597,6 @@ where
     pub media_type: Mime,
     pub content_length: u64,
 }
-
 impl<'a, A, S> ResumableUploadHelper<'a, A, S>
 where
     S: tower_service::Service<Uri> + Clone + Send + Sync + 'static,
@@ -639,7 +638,7 @@ where
                         }
                         None | Some(_) => {
                             if let Retry::After(d) = self.delegate.http_failure(&r, None) {
-                                sleep(d);
+                                sleep(d).await;
                                 continue;
                             }
                             return Err(Ok(r));
@@ -649,7 +648,7 @@ where
                 }
                 Err(err) => {
                     if let Retry::After(d) = self.delegate.http_error(&err) {
-                        sleep(d);
+                        sleep(d).await;
                         continue;
                     }
                     return Err(Err(err));
@@ -732,7 +731,7 @@ where
                             &reconstructed_result,
                             json::from_str(&res_body_string).ok(),
                         ) {
-                            sleep(d);
+                            sleep(d).await;
                             continue;
                         }
                     }
@@ -740,7 +739,7 @@ where
                 }
                 Err(err) => {
                     if let Retry::After(d) = self.delegate.http_error(&err) {
-                        sleep(d);
+                        sleep(d).await;
                         continue;
                     }
                     return Some(Err(err));