diff --git a/pyproject.toml b/pyproject.toml
index 7f5fb70..bf7a26a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,6 +12,7 @@ dependencies = [
     "openai-agents>=0.3.3",
     "pip>=25.0.1",
     "presidio-analyzer>=2.2.360",
+    "thinc>=8.3.6",
 ]
 classifiers = [
   "Typing :: Typed",