diff --git a/Cargo.lock b/Cargo.lock
index ac3dc86..6c20fe5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -967,9 +967,9 @@ dependencies = [
 
 [[package]]
 name = "fancy-regex"
-version = "0.14.0"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e24cb5a94bcae1e5408b0effca5cd7172ea3c5755049c5f3af4cd283a165298"
+checksum = "476de73bddf2ef8490aa4ee8f1cf40b430bf1d56c48c22080e5186952cd580e6"
 dependencies = [
  "bit-set",
  "regex-automata",
diff --git a/crates/stringcheese-tokenizer-hf/Cargo.toml b/crates/stringcheese-tokenizer-hf/Cargo.toml
index 286815f..934758a 100644
--- a/crates/stringcheese-tokenizer-hf/Cargo.toml
+++ b/crates/stringcheese-tokenizer-hf/Cargo.toml
@@ -86,7 +86,7 @@ rustc-hash = { version = "2", default-features = false }
 # `o200k_base` pre-tokenizer pattern verbatim. See
 # `src/pre_tokenizer.rs` for the full rationale. Only compiled when
 # `std` is enabled (fancy-regex itself requires the standard library).
-fancy-regex = { version = "0.14", default-features = false, features = ["std", "unicode"], optional = true }
+fancy-regex = { version = "0.19", default-features = false, features = ["std", "unicode"], optional = true }
 
 # JSON parser for the Hugging Face `tokenizer.json` loader (see
 # `src/hf.rs`). Only compiled when the `hf-tokenizer` feature is on.