diff --git a/src/lib.rs b/src/lib.rs
index 586c5bc..ccf56de 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -27,7 +27,7 @@ pub fn fetch_input(day: u8) -> Result<String> {
         std::fs::read_to_string(cache).map_err(|e| eyre!("failed to read input cache: {e}"))
     } else {
         println!("miss! fetching input for day {day}");
-        let body: String = ureq::get(&format!("https://adventofcode.com/2022/day/{day}/input"))
+        let body: String = ureq::get(&format!("https://adventofcode.com/2023/day/{day}/input"))
             .set("Cookie", AOC_SESSION_COOKIE)
             .call()?
             .into_string()?;