diff --git a/crates/bpe-openai/Cargo.toml b/crates/bpe-openai/Cargo.toml
index cc385c8..c20ee2c 100644
--- a/crates/bpe-openai/Cargo.toml
+++ b/crates/bpe-openai/Cargo.toml
@@ -21,7 +21,7 @@ unicode-normalization = "0.1"
 
 [dev-dependencies]
 bpe = { version = "0.2", path = "../bpe", features = ["rand"] }
-tiktoken-rs = "0.6"
+tiktoken-rs = "0.7"
 
 [build-dependencies]
 base64 = "0.22"
diff --git a/crates/bpe-openai/src/lib.rs b/crates/bpe-openai/src/lib.rs
index b6d9add..51f514f 100644
--- a/crates/bpe-openai/src/lib.rs
+++ b/crates/bpe-openai/src/lib.rs
@@ -242,12 +242,12 @@ mod tests {
 
     #[test]
     fn test_cl100k() {
-        test_equivalence(cl100k_base(), &cl100k_base_singleton().lock());
+        test_equivalence(cl100k_base(), cl100k_base_singleton());
     }
 
     #[test]
     fn test_o200k() {
-        test_equivalence(o200k_base(), &o200k_base_singleton().lock());
+        test_equivalence(o200k_base(), o200k_base_singleton());
     }
 
     #[track_caller]
diff --git a/crates/bpe/Cargo.toml b/crates/bpe/Cargo.toml
index 9e10955..fdf26aa 100644
--- a/crates/bpe/Cargo.toml
+++ b/crates/bpe/Cargo.toml
@@ -26,7 +26,7 @@ serde = { version = "1", features = ["derive"] }
 
 [dev-dependencies]
 bpe = { path = "." }
-tiktoken-rs = "0.6"
+tiktoken-rs = "0.7"
 
 [package.metadata.docs.rs]
 all-features = true
diff --git a/crates/bpe/benchmarks/Cargo.toml b/crates/bpe/benchmarks/Cargo.toml
index e2f0234..19216f1 100644
--- a/crates/bpe/benchmarks/Cargo.toml
+++ b/crates/bpe/benchmarks/Cargo.toml
@@ -22,5 +22,5 @@ bpe = { path = "../../bpe", features = ["rand", "tiktoken"] }
 bpe-openai = { path = "../../bpe-openai" }
 criterion = "0.6"
 rand = "0.9"
-tiktoken-rs = "0.6"
+tiktoken-rs = "0.7"
 tokenizers = { version = "0.21", features = ["http"] }
diff --git a/crates/bpe/tests/Cargo.toml b/crates/bpe/tests/Cargo.toml
index fa0b0f0..e061e95 100644
--- a/crates/bpe/tests/Cargo.toml
+++ b/crates/bpe/tests/Cargo.toml
@@ -7,4 +7,4 @@ bpe = { path = "../../bpe", features = ["rand"] }
 bpe-openai = { path = "../../bpe-openai" }
 itertools = "0.14"
 rand = "0.9"
-tiktoken-rs = "0.6"
+tiktoken-rs = "0.7"
diff --git a/crates/bpe/tests/src/lib.rs b/crates/bpe/tests/src/lib.rs
index 9c85b4a..6ea1322 100644
--- a/crates/bpe/tests/src/lib.rs
+++ b/crates/bpe/tests/src/lib.rs
@@ -89,7 +89,6 @@ mod tests {
         .unwrap();
         let bpe = &cl100k_base().bpe;
         let encoded1 = cl100k_base_singleton()
-            .lock()
             .encode_ordinary(input)
             .into_iter()
             .collect_vec();