diff --git a/src/dfx/src/lib/project/import.rs b/src/dfx/src/lib/project/import.rs
index 2360673914..85e1e3d531 100644
--- a/src/dfx/src/lib/project/import.rs
+++ b/src/dfx/src/lib/project/import.rs
@@ -239,16 +239,8 @@ impl Loader {
 
     fn client(&mut self) -> Result<&Client, ProjectError> {
         if self.client.is_none() {
-            let tls_config = rustls::ClientConfig::builder()
-                .with_safe_defaults()
-                .with_webpki_roots()
-                .with_no_client_auth();
-
-            // Advertise support for HTTP/2
-            //tls_config.alpn_protocols = vec![b"h2".to_vec(), b"http/1.1".to_vec()];
-
             let client = reqwest::Client::builder()
-                .use_preconfigured_tls(tls_config)
+                .use_rustls_tls()
                 .build()
                 .map_err(ProjectError::CouldNotCreateHttpClient)?;
             self.client = Some(client);
diff --git a/src/dfx/src/util/mod.rs b/src/dfx/src/util/mod.rs
index 45e3a5e510..5abbef1a0d 100644
--- a/src/dfx/src/util/mod.rs
+++ b/src/dfx/src/util/mod.rs
@@ -334,13 +334,8 @@ pub async fn download_file_to_path(from: &Url, to: &Path) -> DfxResult {
 
 #[context("Failed to download from url: {}.", from)]
 pub async fn download_file(from: &Url) -> DfxResult<Vec<u8>> {
-    let tls_config = rustls::ClientConfig::builder()
-        .with_safe_defaults()
-        .with_webpki_roots()
-        .with_no_client_auth();
-
     let client = reqwest::Client::builder()
-        .use_preconfigured_tls(tls_config)
+        .use_rustls_tls()
         .build()
         .context("Could not create HTTP client.")?;