diff --git a/src/git.rs b/src/git.rs
index 3032aac..d21c56b 100644
--- a/src/git.rs
+++ b/src/git.rs
@@ -617,6 +617,8 @@ impl RemoteInfo {
 /// Convenience wrapper around calling `git ls-remote`
 async fn fetch_remote(args: &[&str]) -> Result<Vec<RemoteInfo>> {
     let process = Command::new("git")
+        // Disable any interactive login attempts, failing gracefully instead
+        .env("GIT_TERMINAL_PROMPT", "0")
         .arg("ls-remote")
         .args(args)
         .output()
diff --git a/src/nix.rs b/src/nix.rs
index 9825f3d..787a261 100644
--- a/src/nix.rs
+++ b/src/nix.rs
@@ -41,6 +41,8 @@ pub async fn nix_prefetch_git(
         output.arg("--fetch-submodules");
     }
     let output = output
+        // Disable any interactive login attempts, failing gracefully instead
+        .env("GIT_TERMINAL_PROMPT", "0")
         .arg(url)
         .arg(git_ref.as_ref())
         .output()