diff --git a/Cargo.lock b/Cargo.lock
index ea6b305..cf28307 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -226,18 +226,18 @@ dependencies = [
 
 [[package]]
 name = "rb-sys"
-version = "0.9.117"
+version = "0.9.123"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f900d1ce4629a2ebffaf5de74bd8f9c1188d4c5ed406df02f97e22f77a006f44"
+checksum = "45fb1a185af97ee456f1c9e56dbe6e2e662bec4fdeaf83c4c28e0e6adfb18816"
 dependencies = [
  "rb-sys-build",
 ]
 
 [[package]]
 name = "rb-sys-build"
-version = "0.9.117"
+version = "0.9.123"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef1e9c857028f631056bcd6d88cec390c751e343ce2223ddb26d23eb4a151d59"
+checksum = "a58ebd02d7a6033e6a5f6f8d150c1e9f16506039092b84a73e6bedce6d3adf41"
 dependencies = [
  "bindgen",
  "lazy_static",
diff --git a/ext/tiktoken_ruby/Cargo.toml b/ext/tiktoken_ruby/Cargo.toml
index 70aa507..73b15b6 100644
--- a/ext/tiktoken_ruby/Cargo.toml
+++ b/ext/tiktoken_ruby/Cargo.toml
@@ -11,5 +11,5 @@ crate-type = ["cdylib"]
 
 [dependencies]
 magnus = { version = "0.8.2" }
-rb-sys = { version = "0.9.117", features = ["stable-api-compiled-fallback"] }
+rb-sys = { version = "0.9.123", features = ["stable-api-compiled-fallback"] }
 tiktoken-rs = { version = "0.9.0" }