diff --git a/tox.ini b/tox.ini
index a11aa16..a8b03e3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -15,7 +15,7 @@ deps =
     pillow
     accelerate
     haystack-ai
-    sentence_transformers
+    sentence-transformers
 
 [testenv:coverage]
 basepython = python3.12