diff --git a/.cargo/config.toml b/.cargo/config.toml
index 754f083..3530669 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -8,4 +8,4 @@ all = "run --quiet --release -- all"
 time = "run --quiet --release -- all --release --time"
 
 [env]
-AOC_YEAR = "2022"
+AOC_YEAR = "2023"