diff --git a/pyproject.toml b/pyproject.toml
index 09c9b60..a42b964 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -79,7 +79,7 @@ dependencies = [
   "platformdirs<5",
   "pueblo==0.0.11",
   "requests<3",
-  "tiktoken<0.10",
+  "tiktoken<0.12",
 ]
 optional-dependencies.all = [
   "cratedb-about[manyio,llm]",