diff --git a/requirements.txt b/requirements.txt
index 1c7dab4..78a9c6f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,4 +3,5 @@ pyswip==0.2.9
 pytest-cov
 torch
 torchvision
-torchaudio
\ No newline at end of file
+torchaudio
+zoopt
\ No newline at end of file