diff --git a/src/bin/crates-admin/render_readmes.rs b/src/bin/crates-admin/render_readmes.rs
index 29868b1566f..2dd5dfb22e3 100644
--- a/src/bin/crates-admin/render_readmes.rs
+++ b/src/bin/crates-admin/render_readmes.rs
@@ -19,6 +19,7 @@ use flate2::read::GzDecoder;
 use reqwest::{blocking::Client, header};
 use std::str::FromStr;
 use tar::{self, Archive};
+use tokio::runtime::Handle;
 
 const USER_AGENT: &str = "crates-admin";
 
@@ -121,17 +122,13 @@ pub async fn run(opts: Opts) -> anyhow::Result<()> {
                     println!("[{}-{}] Rendering README...", krate_name, version.num);
                     let readme = get_readme(&storage, &client, &version, &krate_name)?;
                     if !readme.is_empty() {
-                        let rt = tokio::runtime::Builder::new_current_thread()
-                            .enable_all()
-                            .build()
-                            .context("Failed to initialize tokio runtime")?;
-
-                        rt.block_on(storage.upload_readme(
-                            &krate_name,
-                            &version.num,
-                            readme.into(),
-                        ))
-                        .context("Failed to upload rendered README file to S3")?;
+                        Handle::current()
+                            .block_on(storage.upload_readme(
+                                &krate_name,
+                                &version.num,
+                                readme.into(),
+                            ))
+                            .context("Failed to upload rendered README file to S3")?;
                     }
 
                     Ok(())
diff --git a/src/bin/crates-admin/upload_index.rs b/src/bin/crates-admin/upload_index.rs
index a03cf35dd6d..d2cba59ee57 100644
--- a/src/bin/crates-admin/upload_index.rs
+++ b/src/bin/crates-admin/upload_index.rs
@@ -1,9 +1,10 @@
 use crate::dialoguer;
-use anyhow::{anyhow, Context};
+use anyhow::anyhow;
 use crates_io::storage::Storage;
 use crates_io::tasks::spawn_blocking;
 use crates_io_index::{Repository, RepositoryConfig};
 use indicatif::{ProgressBar, ProgressIterator, ProgressStyle};
+use tokio::runtime::Handle;
 
 #[derive(clap::Parser, Debug)]
 #[command(
@@ -31,11 +32,6 @@ pub async fn run(opts: Opts) -> anyhow::Result<()> {
             return Ok(());
         }
 
-        let rt = tokio::runtime::Builder::new_current_thread()
-            .enable_all()
-            .build()
-            .context("Failed to initialize tokio runtime")?;
-
         let pb = ProgressBar::new(files.len() as u64);
         pb.set_style(ProgressStyle::with_template(
             "{bar:60} ({pos}/{len}, ETA {eta})",
@@ -59,7 +55,7 @@ pub async fn run(opts: Opts) -> anyhow::Result<()> {
             }
 
             let contents = std::fs::read_to_string(&path)?;
-            rt.block_on(storage.sync_index(crate_name, Some(contents)))?;
+            Handle::current().block_on(storage.sync_index(crate_name, Some(contents)))?;
         }
 
         println!(