diff --git a/pyproject.toml b/pyproject.toml
index ed3e0a0..90df647 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,6 +24,7 @@ dependencies = [
     "torch",
     "webdataset",
     "scikit-image",
+    "ppafm"
 ]
 
 [project.urls]