diff --git a/Cargo.lock b/Cargo.lock
index f3e2f62..3c75bd8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -82,6 +82,12 @@ dependencies = [
  "wait-timeout",
 ]
 
+[[package]]
+name = "autocfg"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
+
 [[package]]
 name = "bitflags"
 version = "2.6.0"
@@ -332,6 +338,15 @@ version = "2.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 
+[[package]]
+name = "memoffset"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "488016bfae457b036d996092f6cb448677611ce4449e970ceaf42695203f218a"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "nix-script"
 version = "3.0.0"
@@ -361,7 +376,7 @@ dependencies = [
  "anyhow",
  "log",
  "rnix",
- "rowan",
+ "rowan 0.16.1",
  "serde",
 ]
 
@@ -498,14 +513,27 @@ version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6f15e00b0ab43abd70d50b6f8cd021290028f9b7fdd7cdfa6c35997173bc1ba9"
 dependencies = [
- "rowan",
+ "rowan 0.15.17",
+]
+
+[[package]]
+name = "rowan"
+version = "0.15.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4f1e4a001f863f41ea8d0e6a0c34b356d5b733db50dadab3efef640bafb779b"
+dependencies = [
+ "countme",
+ "hashbrown",
+ "memoffset",
+ "rustc-hash",
+ "text-size",
 ]
 
 [[package]]
 name = "rowan"
-version = "0.15.16"
+version = "0.16.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0a542b0253fa46e632d27a1dc5cf7b930de4df8659dc6e720b647fc72147ae3d"
+checksum = "417a3a9f582e349834051b8a10c8d71ca88da4211e4093528e36b9845f6b5f21"
 dependencies = [
  "countme",
  "hashbrown",
diff --git a/nix-script-directives/Cargo.toml b/nix-script-directives/Cargo.toml
index 7d9c4b7..4e7cbab 100644
--- a/nix-script-directives/Cargo.toml
+++ b/nix-script-directives/Cargo.toml
@@ -7,5 +7,5 @@ edition = "2021"
 anyhow = "1.0.98"
 log = "0.4.27"
 rnix = "0.12.0"
-rowan = "0.15.16"
+rowan = "0.16.1"
 serde = { version = "1.0.219", features = [ "derive" ] }