diff --git a/Cargo.lock b/Cargo.lock
index 255c587..6db27e3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -375,18 +375,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.30"
+version = "1.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "854babe52e4df1653706b98fcfc05843010039b406875930a70e4d9644e5c417"
+checksum = "a5ab016db510546d856297882807df8da66a16fb8c4101cb8b30054b0d5b2d9c"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.30"
+version = "1.0.39"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa32fd3f627f367fe16f893e2597ae3c05020f8bba2666a4e6ea73d377e5714b"
+checksum = "5420d42e90af0c38c3290abcca25b9b3bdf379fc9f55c528f53a269d9c9a267e"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/day02/Cargo.toml b/day02/Cargo.toml
index 23c0286..a469ef6 100644
--- a/day02/Cargo.toml
+++ b/day02/Cargo.toml
@@ -7,5 +7,5 @@ edition = "2021"
 common = { path = "../common" }
 miette = { version = "3.3.0", features = ["fancy"] }
 clap = "3.0.10"
-thiserror = "1.0.30"
+thiserror = "1.0.39"
 nom = "7.1.0"