diff --git a/src/sdk.rs b/src/sdk.rs
index 9c83621..6cd9317 100644
--- a/src/sdk.rs
+++ b/src/sdk.rs
@@ -11,6 +11,7 @@ use serde::Deserialize;
 use std::env;
 use std::fs;
 use std::path::{Path, PathBuf};
+use std::process::Command;
 
 #[cfg(target_os = "macos")]
 use crate::launchctl;
@@ -282,13 +283,26 @@ fn fetch_repo_info(repo: &git2::Repository) -> git2::MergeAnalysis {
 		true
 	});
 
-	remote
-		.fetch(
-			&["main"],
-			Some(FetchOptions::new().remote_callbacks(callbacks)),
-			None,
-		)
-		.nice_unwrap("Could not fetch latest update");
+	let res = remote.fetch(
+		&["main"],
+		Some(FetchOptions::new().remote_callbacks(callbacks)),
+		None,
+	);
+	if res.as_ref().is_err_and(|e| {
+		e.message()
+			.contains("authentication required but no callback set")
+	}) {
+		// Setting the authentication callback is kinda jank, just call the git process lmao
+		Command::new("git")
+			.args(&["fetch", "origin", "main"])
+			.current_dir(Config::sdk_path())
+			.spawn()
+			.nice_unwrap("Could not fetch latest update")
+			.wait()
+			.nice_unwrap("Could not fetch latest update");
+	} else {
+		res.nice_unwrap("Could not fetch latest update");
+	}
 
 	// Check if can fast-forward
 	let fetch_head = repo.find_reference("FETCH_HEAD").unwrap();
@@ -414,7 +428,6 @@ fn switch_to_tag(config: &mut Config, repo: &Repository) {
 }
 
 fn install_binaries(config: &mut Config, platform: Option<String>) {
-	update(config, None);
 	let release_tag: String;
 	let target_dir: PathBuf;
 	if config.sdk_nightly {