diff --git a/crates/bpe-openai/Cargo.toml b/crates/bpe-openai/Cargo.toml
index c3929ed..e079e41 100644
--- a/crates/bpe-openai/Cargo.toml
+++ b/crates/bpe-openai/Cargo.toml
@@ -19,10 +19,10 @@ serde = { version = "1" }
 
 [dev-dependencies]
 fancy-regex = "0.13"
-tiktoken-rs = { version = "0.5" }
+tiktoken-rs = { version = "0.6" }
 
 [build-dependencies]
 bpe = { version = "0.1.0", path = "../bpe", features = ["tiktoken-rs"] }
 rmp-serde = "1"
-tiktoken-rs = { version = "0.5" }
+tiktoken-rs = { version = "0.6" }
 serde = { version = "1" }
diff --git a/crates/bpe/Cargo.toml b/crates/bpe/Cargo.toml
index f48ad10..faca873 100644
--- a/crates/bpe/Cargo.toml
+++ b/crates/bpe/Cargo.toml
@@ -29,7 +29,7 @@ itertools = "0.12"
 rand = { version = "0.8", optional = true }
 rmp-serde = "1"
 serde = { version = "1", features = ["derive"] }
-tiktoken-rs = { version = "0.5", optional = true }
+tiktoken-rs = { version = "0.6", optional = true }
 
 [dev-dependencies]
 bpe = { path = ".", features = ["rand", "tiktoken-rs"] }