diff --git a/src/config.rs b/src/config.rs
index 8c3efba..3af1b52 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -49,6 +49,7 @@ fn config_path() -> Result<PathBuf> {
     .join("cargo-atcoder.toml");
 
     if !config_path.exists() {
+        fs::create_dir_all(config_path.parent().unwrap())?;
         fs::write(&config_path, DEFAULT_CONFIG_STR)?;
     }