diff --git a/pyproject.toml b/pyproject.toml
index 6016864..e53d887 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,8 @@ dependencies = [
 extras = [
     # Heavy dependencies that aren't for everyday use
     "outlines",
-    "infinity-emb"
+    "infinity-emb",
+    "sentence-transformers",
 ]
 dev = [
     "ruff == 0.3.2"