diff --git a/Cargo.lock b/Cargo.lock
index ded1f71..b431fc4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -568,12 +568,12 @@ checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
 name = "prettyplease"
-version = "0.2.15"
+version = "0.1.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae005bd773ab59b4725093fd7df83fd7892f7d8eafb48dbd7de6e024e4215f9d"
+checksum = "6c8646e95016a7a6c4adea95bafa8a16baab64b583356217f2c85db4a39d9a86"
 dependencies = [
  "proc-macro2",
- "syn 2.0.37",
+ "syn 1.0.109",
 ]
 
 [[package]]
diff --git a/aoc-build/Cargo.toml b/aoc-build/Cargo.toml
index 21ec34b..fc66459 100644
--- a/aoc-build/Cargo.toml
+++ b/aoc-build/Cargo.toml
@@ -8,6 +8,6 @@ license = "Apache-2.0/MIT"
 
 [dependencies]
 eyre = "0.6.8"
-prettyplease = "0.2.15"
+prettyplease = "0.1.25"
 regex = "1.9.5"
 syn = "1.0.109"
diff --git a/aoc/src/run.rs b/aoc/src/run.rs
index 6bcb61b..0da4bb3 100644
--- a/aoc/src/run.rs
+++ b/aoc/src/run.rs
@@ -69,7 +69,7 @@ where
                 let after = chrono::Utc::now();
                 let version = version
                     .clone()
-                    .map_or_else(String::new, |v| format!(" — {}", v));
+                    .map_or_else(String::new, |v| format!(" — {v}"));
                 let elapsed = if opts.timing {
                     format!(" ({})", pretty_duration(after - before))
                 } else {