diff --git a/pyproject.toml b/pyproject.toml
index 4c2d903316..a190e08845 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -63,6 +63,7 @@ dependencies = [
   "prompt-toolkit",
   "pypatchmatch",
   "pyreadline3",
+  "pytorch-lightning==1.7.7",
   "realesrgan",
   "requests==2.28.2",
   "rich~=13.3",