diff --git a/2022/Cargo.toml b/2022/Cargo.toml
index eaa0ef5..e07e6cc 100644
--- a/2022/Cargo.toml
+++ b/2022/Cargo.toml
@@ -35,3 +35,5 @@ path = "src/day6.rs"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+regex = "1.7.0"
+lazy_static = "1.4.0"