diff --git a/Cargo.lock b/Cargo.lock
index e6bf01e..16f1083 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -559,18 +559,18 @@ checksum = "1c107b6f4780854c8b126e228ea8869f4d7b71260f962fefb57b996b8959ba6b"
 
 [[package]]
 name = "serde"
-version = "1.0.206"
+version = "1.0.209"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b3e4cd94123dd520a128bcd11e34d9e9e423e7e3e50425cb1b4b1e3549d0284"
+checksum = "99fce0ffe7310761ca6bf9faf5115afbc19688edd00171d81b1bb1b116c63e09"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.206"
+version = "1.0.209"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fabfb6138d2383ea8208cf98ccf69cdfb1aff4088460681d84189aa259762f97"
+checksum = "a5831b979fd7b5439637af1752d535ff49f4860c0f341d1baeb6faf0f4242170"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/nix-script-directives/Cargo.toml b/nix-script-directives/Cargo.toml
index 4e2ca55..bc26954 100644
--- a/nix-script-directives/Cargo.toml
+++ b/nix-script-directives/Cargo.toml
@@ -8,4 +8,4 @@ anyhow = "1.0.86"
 log = "0.4.22"
 rnix = "0.11.0"
 rowan = "0.15.15"
-serde = { version = "1.0.206", features = [ "derive" ] }
+serde = { version = "1.0.209", features = [ "derive" ] }