diff --git a/exercises/2-foundations-of-rust/5-closures-and-dynamic-dispatch/1-config-reader/Cargo.lock b/exercises/2-foundations-of-rust/5-closures-and-dynamic-dispatch/1-config-reader/Cargo.lock
index 1d3c7c0..02d8fb6 100644
--- a/exercises/2-foundations-of-rust/5-closures-and-dynamic-dispatch/1-config-reader/Cargo.lock
+++ b/exercises/2-foundations-of-rust/5-closures-and-dynamic-dispatch/1-config-reader/Cargo.lock
@@ -71,18 +71,18 @@ checksum = "e86697c916019a8588c99b5fac3cead74ec0b4b819707a682fd4d23fa0ce1ba1"
 
 [[package]]
 name = "serde"
-version = "1.0.197"
+version = "1.0.207"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fb1c873e1b9b056a4dc4c0c198b24c3ffa059243875552b2bd0933b1aee4ce2"
+checksum = "5665e14a49a4ea1b91029ba7d3bca9f299e1f7cfa194388ccc20f14743e784f2"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.197"
+version = "1.0.207"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7eb0b34b42edc17f6b7cac84a52a1c5f0e1bb2227e997ca9011ea3dd34e8610b"
+checksum = "6aea2634c86b0e8ef2cfdc0c340baede54ec27b1e46febd7f80dffb2aa44a00e"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/exercises/2-foundations-of-rust/5-closures-and-dynamic-dispatch/1-config-reader/Cargo.toml b/exercises/2-foundations-of-rust/5-closures-and-dynamic-dispatch/1-config-reader/Cargo.toml
index d6e8a16..a8a65e4 100644
--- a/exercises/2-foundations-of-rust/5-closures-and-dynamic-dispatch/1-config-reader/Cargo.toml
+++ b/exercises/2-foundations-of-rust/5-closures-and-dynamic-dispatch/1-config-reader/Cargo.toml
@@ -6,6 +6,6 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-serde = { version = "1.0.158", features = ["derive"] }
+serde = { version = "1.0.207", features = ["derive"] }
 serde_json = "1.0.125"
 serde_yaml = "0.9.19"