diff --git a/requirements.txt b/requirements.txt
index d55c25acd..7183e8514 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,4 +13,5 @@
 jax>=0.4.34
 jaxlib>=0.4.34
 portpicker~=1.6
+etils>=1.0.0